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Document And Entity Information - shares	9 Months Ended
Document And Entity Information - shares	Jun. 30, 2017	Jul. 31, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	GRIFFON CORP
Document Type	10-Q
Current Fiscal Year End Date	--09-30
Entity Common Stock, Shares Outstanding		47,258,809
Amendment Flag	false
Entity Central Index Key	0000050725
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Jun. 30, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus (Q1,Q2,Q3,FY)	Q3

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
CURRENT ASSETS
Cash and equivalents	$ 69,448	$ 72,553
Accounts receivable, net of allowances of $7,462 and $6,425	227,813	233,751
Contract costs and recognized income not yet billed, net of progress payments of $4,841 and $8,001	119,367	126,961
Inventories, net	339,393	308,869
Prepaid and other current assets	43,622	38,605
Assets of discontinued operations	479	219
Total Current Assets	800,122	780,958
PROPERTY, PLANT AND EQUIPMENT, net	410,472	405,404
GOODWILL	361,405	361,185
INTANGIBLE ASSETS, net	210,060	210,599
OTHER ASSETS	18,110	21,982
ASSETS OF DISCONTINUED OPERATIONS	4,314	1,968
Total Assets	1,804,483	1,782,096
CURRENT LIABILITIES
Notes payable and current portion of long-term debt	16,656	22,644
Accounts payable	178,571	190,341
Accrued liabilities	97,871	103,594
Liabilities of discontinued operations	1,107	1,684
Total Current Liabilities	294,205	318,263
LONG-TERM DEBT, net	980,720	913,914
OTHER LIABILITIES	131,149	137,266
LIABILITIES OF DISCONTINUED OPERATIONS	4,321	1,706
Total Liabilities	1,410,395	1,371,149
COMMITMENTS AND CONTINGENCIES - See Note 19
SHAREHOLDERS’ EQUITY
Total Shareholders’ Equity	394,088	410,947
Total Liabilities and Shareholders’ Equity	$ 1,804,483	$ 1,782,096

CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Statement of Financial Position [Abstract]
Accounts receivable, net allowances	$ 7,872	$ 6,452
Contract costs, net of progress payments	4,380	8,001
Debt discount, long term debt	$ 1,244	$ 2,695

CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - 9 months ended Jun. 30, 2017 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	CAPITAL INEXCESS OFPAR VALUE [Member]	RETAINED EARNINGS [Member]	TREASURY SHARES [Member]	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) [Member]	DEFERRED COMPENSATION [Member]
Balance at Sep. 30, 2016	$ 410,947	$ 19,992	$ 529,980	$ 475,760	$ (501,866)	$ (81,241)	$ (31,678)
Balance (in Shares) at Sep. 30, 2016		79,966			34,797
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	26,862			26,862
Dividend	(7,766)			(7,766)
Shares withheld on employee taxes on vested equity awards			(97)
Shares withheld on employee taxes on vested equity awards					(584)
Shares withheld on employee taxes on vested equity awards	(13,692)				$ (13,595)
Amortization of deferred compensation	2,635						2,635
Common stock issued (shares)		3
Common stock issued	22	$ 0	22
Common stock acquired	(2,201)				$ (2,201)
Common stock acquired (in Shares)					129
Stock grants and equity awards, net (in Shares)		844
Equity awards granted, net	0	$ 211	(211)
Premium on settlement of convertible debt	(73,855)		(73,855)
Issuance of treasury stock in settlement of convertible debt	48,858		20,375		$ 28,483
Issuance of treasury stock in settlement of convertible debt (in shares)					(1,955)
ESOP purchase of common stock	10,908						10,908
ESOP allocation of common stock	2,209		2,209
Stock-based compensation	7,200		7,200
Other comprehensive income, net of tax	3,777					3,777
Balance at Jun. 30, 2017	$ 394,088	$ 20,203	$ 485,623	$ 494,856	$ (489,179)	$ (77,464)	$ (39,951)
Balance (in Shares) at Jun. 30, 2017		80,813			33,555

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Revenue	$ 473,320	$ 462,200	$ 1,436,184	$ 1,456,456
Cost of goods and services	357,363	342,843	1,088,550	1,106,837
Gross profit	115,957	119,357	347,634	349,619
Selling, general and administrative expenses	90,740	88,880	272,972	271,765
Restructuring and other related charges	0	5,900	0	5,900
Total operating expenses	90,740	94,780	272,972	277,665
Income from operations	25,217	24,577	74,662	71,954
Other income (expense)
Interest expense	(12,729)	(13,039)	(38,747)	(37,454)
Interest income	17	79	46	134
Other, net	(935)	142	(1,176)	312
Total other expense, net	(13,647)	(12,818)	(39,877)	(37,008)
Income before taxes	11,570	11,759	34,785	34,946
Provision for income taxes	2,017	4,163	7,923	10,467
Net income	$ 9,553	$ 7,596	$ 26,862	$ 24,479
Basic income (loss) per common share (in Dollars per share)	$ 0.23	$ 0.19	$ 0.66	$ 0.59
Weighted-average shares outstanding	41,683	40,558	40,765	41,318
Diluted income (loss) per common share (in Dollars per share)	$ 0.22	$ 0.18	$ 0.63	$ 0.55
Weighted-average shares outstanding	43,255	43,280	42,934	44,243
Dividends paid per common share (in Dollars per share)	$ 0.06	$ 0.05	$ 0.18	$ 0.15
Net income	$ 9,553	$ 7,596	$ 26,862	$ 24,479
Other comprehensive income (loss), net of taxes:
Foreign currency translation adjustments	6,414	796	1,344	11,130
Pension and other post retirement plans	544	386	1,632	1,158
Change in cash flow hedges	198	1,287	801	(1,377)
Total other comprehensive income (loss), net of taxes	7,156	2,469	3,777	10,911
Comprehensive income (loss), net	$ 16,709	$ 10,065	$ 30,639	$ 35,390

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 26,862	$ 24,479
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	56,380	51,879
Stock-based compensation	7,200	8,432
Provision (recovery) for losses on accounts receivable	(111)	350
Amortization of debt discounts and issuance costs	3,774	5,271
Deferred income taxes	5,287	1,249
Gain on sale of assets and investments	0	(240)
Change in assets and liabilities, net of assets and liabilities acquired:
(Increase) decrease in accounts receivable and contract costs and recognized income not yet billed	13,617	(18,437)
(Increase) decrease in inventories	(28,958)	14,632
Decrease in prepaid and other assets	2,084	1,866
Decrease in accounts payable, accrued liabilities and income taxes payable	(23,245)	(32,827)
Other changes, net	2,595	3,093
Net cash provided by operating activities	65,485	59,747
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(59,153)	(63,247)
Acquired businesses, net of cash acquired	(6,051)	(1,744)
Acquired businesses, net of cash acquired	0	(2,726)
Proceeds from sale of assets	165	914
Investment sales	0	715
Net cash used in investing activities	(65,039)	(66,088)
CASH FLOWS FROM FINANCING ACTIVITIES:
Dividends paid	(7,766)	(6,686)
Purchase of shares for treasury	(15,796)	(50,771)
Proceeds from long-term debt	211,097	263,249
Payments of long-term debt	(152,478)	(177,973)
Change in short-term borrowings	(940)	(45)
Share premium payment on settled debt	(24,997)	0
Financing costs	(363)	(4,135)
Purchase of ESOP shares	(10,908)	0
Other, net	(112)	13
Net cash provided by (used in) financing activities	(2,263)	23,652
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in operating activities	(1,216)	(1,152)
Net cash used in discontinued operations	(1,216)	(1,152)
Effect of exchange rate changes on cash and equivalents	(72)	456
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS	(3,105)	16,615
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	72,553	52,001
CASH AND EQUIVALENTS AT END OF PERIOD	$ 69,448	$ 68,616

DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION

9 Months Ended

Jun. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION

About Griffon Corporation

Griffon Corporation (the “Company” or “Griffon”) is a diversified management and holding company that conducts business through wholly-owned subsidiaries. Griffon oversees the operations of its subsidiaries, allocates resources among them and manages their capital structures. Griffon provides direction and assistance to its subsidiaries in connection with acquisition and growth opportunities as well as in connection with divestitures. In order to further diversify, Griffon also seeks out, evaluates and, when appropriate, will acquire additional businesses that offer potentially attractive returns on capital.

Headquartered in New York, N.Y., the Company was founded in 1959 and is incorporated in Delaware. Griffon is listed on the New York Stock Exchange and trades under the symbol GFF.

Griffon currently conducts its operations through three reportable segments:


•	Home & Building Products (“HBP”) consists of two companies, The AMES Companies, Inc. (“AMES”) and Clopay Building Products Company, Inc. (“CBP”):


-	AMES, founded in 1774, is the leading US manufacturer and a global provider of long-handled tools and landscaping products for homeowners and professionals.


-	CBP, since 1964, is a leading manufacturer and marketer of residential and commercial garage doors and sells to professional dealers and some of the largest home center retail chains in North America.


•	Telephonics Corporation ("Telephonics"), founded in 1933, is recognized globally as a leading provider of highly sophisticated intelligence, surveillance and communications solutions for defense, aerospace and commercial customers.


•	Clopay Plastic Products Company, Inc. ("PPC"), incorporated in 1934, is a global leader in the development and production of embossed, laminated and printed specialty plastic films for hygienic, health-care and industrial products and sells to some of the world's largest consumer products companies.

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“US GAAP”) for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, these financial statements do not include all the information and footnotes required by US GAAP for complete financial statements. As such, they should be read together with Griffon’s Annual Report on Form 10-K for the year ended September 30, 2016, which provides a more complete explanation of Griffon’s accounting policies, financial position, operating results, business properties and other matters. In the opinion of management, these financial statements reflect all adjustments considered necessary for a fair statement of interim results. Griffon’s HBP operations are seasonal; for this and other reasons, the financial results of the Company for any interim period are not necessarily indicative of the results for the full year.

The condensed consolidated balance sheet information at September 30, 2016 was derived from the audited financial statements included in Griffon’s Annual Report on Form 10-K for the year ended September 30, 2016.

The condensed consolidated financial statements include the accounts of Griffon and all subsidiaries. Intercompany accounts and transactions have been eliminated on consolidation.

The preparation of financial statements in conformity with US GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting periods. These estimates may be adjusted due to changes in economic, industry or customer financial conditions, as well as changes in technology or demand. Significant estimates include allowances for doubtful accounts receivable and returns, net realizable value of inventories, restructuring reserves, valuation of goodwill and intangible assets, percentage of completion method of accounting, pension assumptions, useful lives associated with depreciation and amortization of intangible and fixed assets, warranty reserves, sales incentive accruals, stock based compensation assumptions, income taxes and tax valuation reserves, environmental reserves, legal reserves, insurance reserves and the valuation of assets and liabilities of discontinued operations, acquisition assumptions used and the accompanying disclosures. These estimates are based on management’s best knowledge of current events and actions Griffon may undertake in the future. Actual results may ultimately differ from these estimates.

Certain amounts in the prior year have been reclassified to conform to current year presentation.

FAIR VALUE MEASUREMENTS

9 Months Ended

Jun. 30, 2017

Fair Value Disclosures [Abstract]

FAIR VALUE MEASUREMENTS

The carrying values of cash and equivalents, accounts receivable, accounts and notes payable, and revolving credit and variable interest rate debt approximate fair value due to either the short-term nature of such instruments or the fact that the interest rate of the revolving credit and variable rate debt is based upon current market rates.

Applicable accounting guidance establishes a fair value hierarchy requiring the Company to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. A financial instrument’s categorization within the hierarchy is based on the lowest level of input that is significant to the fair value measurement. The accounting guidance establishes three levels of inputs that may be used to measure fair value, as follows:


•	Level 1 inputs are measured and recorded at fair value based upon quoted prices in active markets for identical assets.

•

Level 2 inputs include inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices in active markets for similar assets and liabilities, quoted prices for identical or similar assets or liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of assets or liabilities.


•	Level 3 inputs are unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.

The fair values of Griffon’s 2022 senior notes approximated $742,255 on June 30, 2017. Fair values were based upon quoted market prices (level 1 inputs).

On January 17, 2017, Griffon's 4% convertible subordinated notes settled for a total of $173,855. The total settlement value for the convertible notes was based on the sum of the daily Volume Weighted Average Price multiplied by the conversion rate over a 40-day observation period (level 1 inputs). The settlement value was split between $125,000 in cash and $48,858, or 1,954,993 shares, of common stock issued from treasury.

Insurance contracts with values of $3,125 at June 30, 2017 are measured and recorded at fair value based upon quoted prices in active markets for similar assets (level 2 inputs) and are included in Prepaid and other current assets on the Consolidated Balance Sheets.

Items Measured at Fair Value on a Recurring Basis

At June 30, 2017, trading securities, measured at fair value based on quoted prices in active markets for similar assets (level 2 inputs), with a fair value of $1,498 ($1,000 cost basis), were included in Prepaid and other current assets on the Consolidated Balance Sheets. During the first quarter of 2016, the Company settled trading securities with proceeds totaling $715 and recognized a loss of $13 in Other income (expense). Realized and unrealized gains and losses on trading securities are included in Other income in the Consolidated Statements of Operations and Comprehensive Income (Loss).

In the normal course of business, Griffon’s operations are exposed to the effects of changes in foreign currency exchange rates. To manage these risks, Griffon may enter into various derivative contracts such as foreign currency exchange contracts, including forwards and options. During 2017, Griffon entered into several such contracts in order to lock into a foreign currency rate for planned settlements of trade and inter-company liabilities payable in US dollars.

At June 30, 2017, Griffon had $15,000 of Australian dollar contracts at a weighted average rate of $1.30 which qualified for hedge accounting. These hedges were all deemed effective as cash flow hedges with gains and losses related to changes in fair value deferred and recorded in Accumulated other comprehensive income (loss) ("AOCI") and Prepaid and other current assets, or Accrued liabilities, until settlement. Upon settlement, gains and losses are recognized in the Consolidated Statements of Operations and Comprehensive Income (Loss) in Cost of goods and services ("COGS"). AOCI included deferred gains of $318 ($203, net of tax) at June 30, 2017 and losses of $88 and $910 were recorded in COGS during the quarter and nine months ended June 30, 2017, respectively, for all settled contracts. All contracts expire in 3 to 179 days.

At June 30, 2017, Griffon had $5,290 of Canadian dollar contracts at a weighted average rate of $1.29. The contracts, which protect Canada operations from currency fluctuations for US dollar based purchases, do not qualify for hedge accounting. For the quarter and nine months ended June 30, 2017, a fair value gain loss of $217 and $216, respectively, was recorded to Other liabilities and to Other income for the outstanding contracts, based on similar contract values (level 2 inputs). Realized gains of $197 and $250 were recorded in Other income during the quarter and nine months ended June 30, 2017, respectively, for all settled contracts. All contracts expire in 30 to 448 days.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

ACQUISITIONS	9 Months Ended
ACQUISITIONS	Jun. 30, 2017
Business Combinations [Abstract]
ACQUISITIONS	ACQUISITIONS AND INVESTMENTS On July 31, 2017, The AMES Companies, Inc. acquired La Hacienda Limited, a leading United Kingdom outdoor living brand of unique heating and garden decor products, for approximately $11,400 (GBP 8,675), including an approximate contingent earn out payment of $790 (GBP 600). The acquisition of La Hacienda broadens AMES' global outdoor living and lawn and garden business and supports AMES' UK expansion strategy. On December 30, 2016, AMES Australia acquired Hills Home Living ("Hills") for approximately $6,051 (AUD 8,400). The purchase price has been preliminary allocated to acquired assets and assumed liabilities and primarily consists of inventory, tooling and identifiable intangible assets, including trademarks, intellectual property and customer relationships. Hills, founded in 1946, is a market leader in the supply of clothesline, laundry and garden products. The Hills acquisition adds to AMES' existing broad category of products and enhances our lawn and garden product offerings in Australia. On February 14, 2016, AMES Australia acquired substantially all of the Intellectual Property (IP) assets of Australia-based Nylex Plastics Pty Ltd. for approximately $1,700. Through this acquisition, AMES and Griffon secured the ownership of the trademark “Nylex” for certain categories of AMES products, principally in the country of Australia. Previously, the Nylex name was licensed. The acquisition of the Nylex IP was contemplated as a post-closing activity following the Cyclone acquisition and supports AMES' Australian watering products strategy. The purchase price was allocated to indefinite lived trademarks and is not deductible for income taxes. In December 2015, Telephonics invested an additional $2,726 increasing its equity stake from 26% to 49% in Mahindra Telephonics Integrated Systems ("MTIS"), a joint venture with Mahindra Defence Systems, a Mahindra Group Company. MTIS is an aerospace and defense manufacturing and development facility in Prithla, India. This investment is accounted for using the equity method.

INVENTORIES

9 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

INVENTORIES

Inventories are stated at the lower of cost (first-in, first-out or average) or market.

The following table details the components of inventory:



	At June 30, 2017		At September 30, 2016
Raw materials and supplies	$	84,249	$	81,345
Work in process	97,390		75,852
Finished goods	157,754		151,672
Total	$	339,393	$	308,869

PROPERTY, PLANT AND EQUIPMENT

9 Months Ended

Jun. 30, 2017

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT AND EQUIPMENT

The following table details the components of property, plant and equipment, net:



	At June 30, 2017			At September 30, 2016
Land, building and building improvements	$	144,353		$	138,204
Machinery and equipment	832,833			804,280
Leasehold improvements	63,289			51,015
	1,040,475			993,499
Accumulated depreciation and amortization	(630,003		)	(588,095		)
Total	$	410,472		$	405,404

Depreciation and amortization expense for property, plant and equipment was $17,288 and $15,780 for the quarters ended June 30, 2017 and 2016, respectively, and $50,738 and $46,236 for the nine months ended June 30, 2017 and 2016, respectively. Depreciation included in SG&A expenses was $3,770 and $3,327 for the quarters ended June 30, 2017 and 2016, respectively, and $10,976 and $9,735 for the nine months ended June 30, 2017 and 2016, respectively. Remaining components of depreciation, attributable to manufacturing operations, are included in Cost of goods and services.

No event or indicator of impairment occurred during the nine months ended June 30, 2017 which would require additional impairment testing of property, plant and equipment.

GOODWILL AND OTHER INTANGIBLES

9 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND OTHER INTANGIBLES

The following table provides changes in the carrying value of goodwill by segment during the nine months ended June 30, 2017:



	At September 30, 2016		Other adjustments including currency translations			At June 30, 2017
Home & Building Products	$	287,617	$	(29	)	$	287,588
Telephonics	18,545		—			18,545
PPC	55,023		249			55,272
Total	$	361,185	$	220		$	361,405

The following table provides the gross carrying value and accumulated amortization for each major class of intangible assets:



	At June 30, 2017					At September 30, 2016
	Gross Carrying Amount		Accumulated Amortization		Average Life (Years)	Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	171,860	$	52,700	25	$	170,652	$	47,217
Unpatented technology	6,088		4,497		12.5	6,073		4,060
Total amortizable intangible assets	177,948		57,197			176,725		51,277
Trademarks	89,309		—			85,151		—
Total intangible assets	$	267,257	$	57,197		$	261,876	$	51,277

Amortization expense for intangible assets was $1,919 and $1,898 for the quarters ended June 30, 2017 and 2016, respectively, and $5,642 and $5,643 for the nine months ended June 30, 2017 and 2016, respectively.

No event or indicator of impairment occurred during the nine months ended June 30, 2017 which would require impairment testing of long-lived intangible assets including goodwill.

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

INCOME TAXES	9 Months Ended
INCOME TAXES	Jun. 30, 2017
Income Tax Disclosure [Abstract]
INCOME TAXES	INCOME TAXES In both the quarter and nine months ended June 30, 2017 and 2016, the Company reported pretax income, and recognized a tax provision of 17.4% and 22.8% for the quarter and nine months ended June 30, 2017, respectively, compared to 35.4% and 30.0%, respectively, in the comparable prior year periods. The quarter and nine months ended June 30, 2017 tax rates included net tax benefits of $2,193 and $5,122, respectively, compared to a net tax benefits of $775 and $3,324, respectively, included in the comparable prior year periods. Both the quarter and nine months ended June 30, 2017 included discrete benefits from the federal domestic production activities deduction, with the nine month period also including the benefit from the adoption of recent Financial Accounting Standards Board ("FASB") guidance which requires the company to recognize excess tax benefits from the vesting of equity awards within income tax expense. The benefits in each period were partially offset by the impact of a valuation allowance taken on German net operating loss carryforwards that do not expire. Both the quarter and nine months ended June 30, 2016 included discrete benefits from the release of unrecognized tax benefits and the retroactive extension of the federal R&D credit signed into law December 18, 2015, partially offset by the tax impact of restructuring charges, with the nine month period including a benefit from the adoption of the FASB guidance mentioned above. Excluding these tax items, the effective tax rates for the quarter and nine months ended June 30, 2017 were 36.4% and 37.5%, respectively, compared to 37.5% and 37.9%, respectively, in the comparable prior year periods.

LONG-TERM DEBT

9 Months Ended

Jun. 30, 2017

Debt Disclosure [Abstract]

LONG-TERM DEBT



		At June 30, 2017														At September 30, 2016
		Outstanding Balance			Original Issuer Discount			Capitalized Fees & Expenses			Balance Sheet			Coupon Interest Rate (1)		Outstanding Balance			Original Issuer Discount			Capitalized Fees & Expenses			Balance Sheet			Coupon Interest Rate (1)
Senior notes due 2022	(a)	$	725,000		$	(1,244	)	$	(8,586	)	$	715,170		5.25	%	725,000			$	(1,447	)	$	(9,799	)	$	713,754		5.25	%
Revolver due 2021	(b)	163,748			—			(2,040		)	161,708			Variable		—			—			(2,425		)	(2,425		)	Variable
Convert. debt due 2017	(c)	—			—			—			—			n/a		100,000			(1,248		)	(148		)	98,604			4.00	%
Real estate mortgages	(d)	35,847			—			(499		)	35,348			Variable		37,861			—			(595		)	37,266			Variable
ESOP Loans	(e)	43,330			—			(316		)	43,014			Variable		34,387			—			(237		)	34,150			Variable
Capital lease - real estate	(f)	5,600			—			(112		)	5,488			5.00	%	6,447			—			(131		)	6,316			5.00	%
Non US lines of credit	(g)	1,218			—			(35		)	1,183			Variable		11,462			—			(1		)	11,461			Variable
Non US term loans	(g)	31,461			—			(224		)	31,237			Variable		33,669			—			(247		)	33,422			Variable
Other long term debt	(h)	4,249			—			(21		)	4,228			Variable		4,030			—			(20		)	4,010			Variable
Totals		1,010,453			(1,244		)	(11,833		)	997,376					952,856			(2,695		)	(13,603		)	936,558
less: Current portion		(16,656		)	—			—			(16,656		)			(22,644		)	—			—			(22,644		)
Long-term debt		$	993,797		$	(1,244	)	$	(11,833	)	$	980,720				$	930,212		$	(2,695	)	$	(13,603	)	$	913,914

(1) n/a = not applicable



		Three Months Ended June 30, 2017												Three Months Ended June 30, 2016
		Effective Interest Rate (1)		Cash Interest			Amort. Debt Discount		Amort. Debt Issuance Costs & Other Fees		Total Interest Expense			Effective Interest Rate (1)		Cash Interest			Amort. Debt Discount		Amort. Debt Issuance Costs & Other Fees		Total Interest Expense
Senior notes due 2022	(a)	5.6	%	9,516			67		462		10,045			5.5	%	8,641			36		383		9,060
Revolver due 2021	(b)	Variable		1,629			—		140		1,769			Variable		660			—		137		797
Convert. debt due 2017	(c)	n/a		—			—		—		—			9.1	%	1,000			1,093		111		2,204
Real estate mortgages	(d)	2.6	%	234			—		36		270			2.3	%	194			—		26		220
ESOP Loans	(e)	4.0	%	414			—		29		443			3.3	%	274			—		18		292
Capital lease - real estate	(f)	5.4	%	72			—		7		79			5.4	%	87			—		6		93
Non US lines of credit	(g)	Variable		113			—		75		188			Variable		367			—		23		390
Non US term loans	(g)	Variable		228			—		38		266			Variable		276			—		53		329
Other long term debt	(h)	Variable		85			—		1		86			Variable		97			—		—		97
Capitalized interest				(417		)	—		—		(417		)			(443		)	—		—		(443		)
Totals				$	11,874		$	67	$	788	$	12,729				$	11,153		$	1,129	$	757	$	13,039

(1) n/a = not applicable



		Nine Months Ended June 30, 2017												Nine Months Ended June 30, 2016
		Effective Interest Rate (1)		Cash Interest			Amort. Debt Discount		Amort. Debt Issuance Costs & Other Fees		Total Interest Expense			Effective Interest Rate (1)		Cash Interest			Amort. Debt Discount		Amort. Debt Issuance Costs & Other Fees		Total Interest Expense
Senior notes due 2022	(a)	5.6	%	28,547			202		1,396		30,145			5.5	%	24,391			36		1,028		25,455
Revolver due 2021	(b)	Variable		3,280			—		422		3,702			Variable		2,185			—		374		2,559
Convert. debt due 2017	(c)	8.9	%	1,167			1,248		148		2,563			9.0	%	3,000			3,220		333		6,553
Real estate mortgages	(d)	2.4	%	650			—		56		706			2.2	%	499			—		55		554
ESOP Loans	(e)	4.1	%	1,147			—		94		1,241			3.2	%	805			—		53		858
Capital lease - real estate	(f)	5.4	%	227			—		19		246			5.4	%	270			—		19		289
Non US lines of credit	(g)	Variable		309			—		85		394			Variable		723			—		69		792
Non US term loans	(g)	Variable		840			—		97		937			Variable		832			—		79		911
Other long term debt	(h)	Variable		247			—		7		254			Variable		195			—		—		195
Capitalized interest				(1,441		)	—		—		(1,441		)			(717		)	—		5		(712		)
Totals				$	34,973		$	1,450	$	2,324	$	38,747				$	32,183		$	3,256	$	2,015	$	37,454

(1) n/a = not applicable

$600,000 5.25% senior notes due 2022, at par, which was completed on February 27, 2014 (collectively the “Senior Notes”). As of June 30, 2017, outstanding Senior Notes due totaled $725,000; interest is payable semi-annually on March 1 and September 1. The net proceeds of the add-on offering were used to pay down outstanding borrowings under Griffon's revolving credit facility (the "Credit Agreement").

The Senior Notes are senior unsecured obligations of Griffon guaranteed by certain domestic subsidiaries, and subject to certain covenants, limitations and restrictions. On July 20, 2016 and June 18, 2014, Griffon exchanged all of the $125,000 and $600,000 Senior Notes, respectively, for substantially identical Senior Notes registered under the Securities Act of 1933 via an exchange offer. The fair value of the Senior Notes approximated $742,255 on June 30, 2017 based upon quoted market prices (level 1 inputs). In connection with the issuance and exchange of the $125,000 senior notes, Griffon capitalized $3,016 of underwriting fees and other expenses, which will amortize over the term of such notes; Griffon capitalized $10,313 in connection with the previously issued $600,000 senior notes.

(b)

On March 22, 2016, Griffon amended the Credit Agreement to increase the credit facility from $250,000 to $350,000, extend its maturity date from March 13, 2020 to March 22, 2021 and modify certain other provisions of the facility. The facility includes a letter of credit sub-facility with a limit of $50,000 and a multi-currency sub-facility of $50,000. The Credit Agreement provides for same day borrowings of base rate loans. Borrowings under the Credit Agreement may be repaid and re-borrowed at any time, subject to final maturity of the facility or the occurrence of an event of default under the Credit Agreement. Interest is payable on borrowings at either a LIBOR or base rate benchmark rate, in each case without a floor, plus an applicable margin, which adjusts based on financial performance. Current margins are 1.25% for base rate loans and 2.25% for LIBOR loans. The Credit Agreement has certain financial maintenance tests including a maximum total leverage ratio, a maximum senior secured leverage ratio and a minimum interest coverage ratio, as well as customary affirmative and negative covenants and events of default. The negative covenants place limits on Griffon's ability to, among other things, incur indebtedness, incur liens, and make restricted payments and investments. Borrowings under the Credit Agreement are guaranteed by Griffon’s material domestic subsidiaries and are secured, on a first priority basis, by substantially all domestic assets of the Company and the guarantors, and a pledge of not greater than 65% of the equity interest in Griffon’s material, first-tier foreign subsidiaries (except that a lien on the assets of Griffon's material domestic subsidiaries securing a limited amount of the debt under the Credit Agreement relating to Griffon's Employee Stock Ownership Plan ("ESOP") ranks pari passu with the lien granted on such assets under the Credit Agreement; see footnote (e) below). At June 30, 2017, there were $163,748 in outstanding borrowings and standby letters of credit were $14,360 under the Credit Agreement; $171,892 was available, subject to certain loan covenants, for borrowing at that date.

(c)

On December 21, 2009, Griffon issued $100,000 principal amount of 4% convertible subordinated notes due 2017 (the “2017 Notes”). On July 14, 2016, Griffon announced that it would settle, upon conversion, up to $125,000 of the conversion value of the 2017 Notes in cash, with amounts in excess of $125,000, if any, to be settled in shares of Griffon common stock. On January 17, 2017, Griffon settled the convertible debt for $173,855 with $125,000 in cash, utilizing borrowings under the Credit Agreement, and $48,858, or 1,954,993 shares, of common stock issued from treasury.

(d)

In September 2015 and March 2016, Griffon entered into mortgage loans in the amounts of $32,280 and $8,000, respectively. The mortgage loans are secured by four properties occupied by Griffon's subsidiaries. The loans mature in September 2025 and April 2018, respectively, are collateralized by the specific properties financed and are guaranteed by Griffon. The loans bear interest at a rate of LIBOR plus 1.50%. At June 30, 2017, $35,348 was outstanding, net of issuance costs.

(e)

In August 2016, Griffon’s ESOP entered into an agreement that refinanced the existing ESOP loan into a new Term Loan in the amount of $35,092 (the "Agreement"). The Agreement also provided for a Line Note with $10,908 available to purchase shares of Griffon common stock in the open market. During the three and nine months ended June 30, 2017, Griffon's ESOP purchased 72,963 and 621,875 shares, respectively, of common stock for a total of $1,695 or $23.23 per share and $10,908 or $17.54 per share, respectively, with proceeds from the Line Note. On June 30, 2017, the Term Loan and Line Note were combined into a single Term Loan. The Term Loan bears interest at LIBOR plus 2.50%. The Term Loan requires a quarterly principal payment of $655 on September 30, 2017 and $569 thereafter, with a balloon payment due at maturity on March 22, 2020. As of June 30, 2017, $43,014, net of issuance costs, was outstanding under the Term Loan. The Term Loan is secured by shares purchased with the proceeds of the loan and with a lien on a specific amount of Griffon assets (which lien ranks pari passu with the lien granted on such assets under the Credit Agreement) and is guaranteed by Griffon.


(f)	In October 2006, CBP entered into a capital lease totaling $14,290 for real estate in Troy, Ohio. The lease matures in 2022, bears interest at a fixed rate of 5.0%, is secured by a mortgage on the real estate and is guaranteed by Griffon. At June 30, 2017, $5,488 was outstanding, net of issuance costs.

(g)

In September 2015, Clopay Europe GmbH (“Clopay Europe”) entered into a EUR 5,000 ($5,705 as of June 30, 2017) revolving credit facility and EUR 15,000 term loan. The term loan is payable in twelve quarterly installments of EUR 1,250, bears interest at a fixed rate of 2.5% and matures in September 2018. The revolving facility matures in September 2017, but is renewable upon mutual agreement with the bank. The revolving credit facility accrues interest at EURIBOR plus 1.75% per annum (1.75% at June 30, 2017). The revolver and the term loan are both secured by substantially all of the assets of Clopay Europe and its subsidiaries. Griffon guarantees the revolving facility and term loan. The term loan had an outstanding balance of EUR 6,250 ($7,131 at June 30, 2017) and the revolver had no outstanding borrowings at June 30, 2017. Clopay Europe is required to maintain a certain minimum equity to assets ratio and is subject to a maximum debt leverage ratio (defined as the ratio of total debt to EBITDA).

Clopay do Brazil maintains a line of credit of R$7,000 ($2,116 as of June 30, 2017). Interest on borrowings accrues at various fixed rates which averaged about 15.0% as of June 30, 2017. At June 30, 2017, there was approximately R$4,029 ($1,218 as of June 30, 2017) borrowed under the line. PPC guarantees the line of credit.

In November 2012, Garant G.P. (“Garant”) entered into a CAD $15,000 ($11,517 as of June 30, 2017) revolving credit facility. The facility accrues interest at LIBOR (USD) or the Bankers Acceptance Rate (CDN) plus 1.3% per annum (2.60% LIBOR USD and 2.31% Bankers Acceptance Rate CDN as of June 30, 2017). The revolving facility matures in October 2019. Garant is required to maintain a certain minimum equity. At June 30, 2017, there were no borrowings under the revolving credit facility.

In July 2016, Griffon Australia Holdings Pty Ltd and its Australian subsidiaries ("Griffon Australia") entered into an AUD 30,000 term loan and an AUD 10,000 revolver. The term loan refinanced two existing term loans and the revolver replaced two existing lines. In December 2016, the amount available under the revolver was increased from AUD 10,000 to AUD 20,000 and, in March 2017, the term loan commitment was increased by AUD 5,000 to AUD 33,500. The term loan requires quarterly principal payments of AUD 875 plus interest, with a balloon payment of AUD 24,750 due upon maturity in June 2019, and accrues interest at Bank Bill Swap Bid Rate “BBSY” plus 2.00% per annum (3.76% at June 30, 2017). The term loan had an outstanding balance of AUD 31,750 ($24,330 as of June 30, 2017). The revolving facility matures in November 2017, but is renewable upon mutual agreement with the bank, and accrues interest at BBSY plus 2.0% per annum (3.67% at June 30, 2017). At June 30, 2017, there were no borrowings under the revolver. The revolver and the term loan are both secured by substantially all of the assets of Griffon Australia and its subsidiaries. Griffon guarantees the term loan. Griffon Australia is required to maintain a certain minimum equity level and is subject to a maximum leverage ratio and a minimum fixed charges cover ratio.


(h)	Other long-term debt consists primarily of a loan with the Pennsylvania Industrial Development Authority, with the balance consisting of capital leases.

At June 30, 2017, Griffon and its subsidiaries were in compliance with the terms and covenants of all credit and loan agreements.

SHAREHOLDERS' EQUITY	9 Months Ended
SHAREHOLDERS' EQUITY	Jun. 30, 2017
Stockholders' Equity Note [Abstract]
SHAREHOLDERS' EQUITY	SHAREHOLDERS’ EQUITY During 2017, the Company paid a quarterly cash dividend of $0.06 per share in each quarter, totaling $0.18 per share for the nine months ended June 30, 2017. During 2016, the Company paid quarterly cash dividends of $0.05 per share, totaling $0.20 per share for the year. Dividends paid on shares in the ESOP were used to offset ESOP loan payments and recorded as a reduction of debt service payments and compensation expense. A dividend payable was established for the holders of restricted shares; such dividends will be released upon vesting of the underlying restricted shares. On August 2, 2017 the Board of Directors declared a quarterly cash dividend of $0.06 per share, payable on September 21, 2017 to shareholders of record as of the close of business on August 24, 2017. Compensation expense for restricted stock is recognized ratably over the required service period based on the fair value of the grant, calculated as the number of shares granted multiplied by the stock price on the date of grant and, for performance shares, the likelihood of achieving the performance criteria. Compensation cost related to stock-based awards with graded vesting, generally over a period of three to four years, is recognized using the straight-line attribution method and recorded within SG&A expenses. On January 29, 2016, shareholders approved the Griffon Corporation 2016 Equity Incentive Plan ("Incentive Plan") under which awards of performance shares, performance units, stock options, stock appreciation rights, restricted shares, restricted stock units, deferred shares and other stock-based awards may be granted. Options granted under the Incentive Plan may be either “incentive stock options” or nonqualified stock options, generally expire ten years after the date of grant and are granted at an exercise price of not less than 100% of the fair market value at the date of grant. The maximum number of shares of common stock available for award under the Incentive Plan is 2,350,000 (600,000 of which may be issued as incentive stock options), plus (i) any shares reserved for issuance under the 2011 Equity Incentive Plan as of the effective date of the Incentive Plan, and (ii) any shares underlying awards outstanding on such effective date under the 2011 Incentive Plan that are canceled or forfeited. As of June 30, 2017, there were 1,093,816 shares available for grant. All grants outstanding under former equity plans will continue under their terms; no additional awards will be granted under such plans. During the first quarter of 2017, Griffon granted 300,494 shares of restricted stock and restricted stock units, subject to certain performance conditions, with vesting periods of three years, with a total fair value of $6,055, or a weighted average fair value of $20.15 per share. During the second quarter of 2017, Griffon granted 528,000 shares of restricted stock to two senior executives with a vesting period of four years and a two year post-vesting holding period, subject to the achievement of certain absolute and relative performance conditions relating to the price of Griffon's common stock. So long as the minimum performance condition is attained, the amount of shares that can vest will range from 384,000 to 528,000. The total fair value of these restricted shares is approximately $8,500, or a weighted average fair value of $16.10. Also during the second quarter, Griffon granted 40,700 shares of restricted stock with a vesting period of three years and a fair value of $1,036, or a weighted average fair value of $25.45 per share. During the third quarter of 2017, no shares of restricted stock were granted. For the quarters ended June 30, 2017 and 2016, stock based compensation expense totaled $2,405 and $2,877, respectively. For the nine months ended June 30, 2017 and 2016, stock based compensation expense totaled $7,200 and $8,432, respectively. During the quarter and nine months ended June 30, 2017, 1,591 shares, with a market value of $38 or $23.64 per share, and 584,069 shares, with a market value of $13,595 or $23.28 per share, respectively, were withheld to settle employee taxes due to the vesting of restricted stock, and were added to treasury. On December 21, 2009, Griffon issued $100,000 principal amount of 4% convertible subordinated notes due 2017 (the “2017 Notes”). On July 14, 2016, Griffon announced that it would settle, upon conversion, up to $125,000 of the conversion value of the 2017 Notes in cash, with amounts in excess of $125,000, if any, to be settled in shares of Griffon common stock. On January 17, 2017, Griffon settled the convertible debt for $173,855 with $125,000 in cash, utilizing borrowing under the Credit Agreement, and $48,858, or 1,954,993 shares of common stock issued from treasury. On each of July 29, 2015 and August 3, 2016, Griffon’s Board of Directors authorized the repurchase of up to $50,000 of Griffon’s outstanding common stock. Under these share repurchase programs, the Company may purchase shares in the open market, including pursuant to a 10b5-1 plan, or in privately negotiated transactions. There were no repurchases under these programs during the quarter ended June 30, 2017. During the nine months ended June 30, 2017, Griffon purchased 129,000 shares of common stock under these programs, for a total of $2,201 or $17.06 per share. As of June 30, 2017, $49,437 remains under the August 2016 Board authorization. From August 2011 to June 30, 2017, Griffon repurchased 15,984,854 shares of common stock, for a total of $211,621 or $13.24 per share, under Board authorized repurchase programs. In addition to repurchases under Board authorized programs, on December 10, 2013, Griffon repurchased 4,444,444 shares of its common stock for $50,000 from GS Direct, L.L.C. (“GS Direct”), an affiliate of The Goldman Sachs Group, Inc. Subject to certain exceptions, if GS Direct intends to sell its remaining 5,555,556 shares of Griffon common stock at any time prior to December 31, 2017, it will first negotiate in good faith to sell such shares to the Company.

EARNINGS PER SHARE (EPS)

9 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

EARNINGS PER SHARE (EPS)

Basic EPS (and diluted EPS in periods when a loss exists) was calculated by dividing income available to common shareholders by the weighted average number of shares of common stock outstanding during the period. Diluted EPS was calculated by dividing income available to common shareholders by the weighted average number of shares of common stock outstanding plus additional common shares that were issued in connection with stock based compensation and upon the settlement of the 2017 convertible notes.

The following table is a reconciliation of the share amounts (in thousands) used in computing earnings per share:



	Three Months Ended June 30,		Nine Months Ended June 30,
	2017	2016	2017	2016
Weighted average shares outstanding - basic	41,683	40,558	40,765	41,318
Incremental shares from stock based compensation	1,572	1,876	1,683	2,047
Convertible debt matured 2017	—	846	486	878

Weighted average shares outstanding - diluted	43,255	43,280	42,934	44,243

Anti-dilutive options excluded from diluted EPS computation	—	377	—	404

On July 14, 2016, Griffon announced that it would settle, upon conversion, up to $125,000 of the conversion value of the 2017 Notes in cash, with amounts in excess of $125,000, if any, to be settled in shares of Griffon common stock. During the quarter ended March 31, 2017, Griffon settled the 2017 Notes for $173,855 with $125,000 in cash and 1,954,993 shares of common stock issued from treasury. Prior to settlement, Griffon had the intent and ability to settle the principal amount of the 2017 Notes in cash, and as such, the issuance of shares related to the principal amount of the 2017 Notes did not affect diluted shares.

BUSINESS SEGMENTS

9 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

BUSINESS SEGMENTS

Griffon’s reportable segments are as follows:


•	HBP is the leading US manufacturer and a global provider of long-handled tools and landscaping products for homeowners and professionals, as well as a leading manufacturer and marketer of residential and commercial garage doors and sells to professional dealers and some of the largest home center retail chains in North America.


•	Telephonics is recognized globally as a leading provider of highly sophisticated intelligence, surveillance and communications solutions for defense, aerospace and commercial customers.


•	PPC is a global leader in the development and production of embossed, laminated and printed specialty plastic films for hygienic, health-care and industrial products and sells to some of the world's largest consumer products companies.

Information on Griffon’s reportable segments is as follows:



	For the Three Months Ended June 30,				For the Nine Months Ended June 30,
REVENUE	2017		2016		2017		2016
Home & Building Products:
AMES	$	136,132	$	122,198	$	419,763	$	406,335
CBP	140,349		133,362		406,437		389,657
Home & Building Products	276,481		255,560		826,200		795,992
Telephonics	81,633		91,767		267,998		306,678
PPC	115,206		114,873		341,986		353,786
Total consolidated net sales	$	473,320	$	462,200	$	1,436,184	$	1,456,456

The following table reconciles segment operating profit to income before taxes:



	For the Three Months Ended June 30,						For the Nine Months Ended June 30,
INCOME BEFORE TAXES	2017			2016			2017			2016
Segment operating profit:
Home & Building Products	$	23,708		$	23,201		$	64,661		$	62,170
Telephonics	4,114			9,471			18,521			25,159
PPC	6,325			1,672			19,628			13,569
Total segment operating profit	34,147			34,344			102,810			100,898
Net interest expense	(12,712		)	(12,960		)	(38,701		)	(37,320		)
Unallocated amounts	(9,865		)	(9,625		)	(29,324		)	(28,632		)
Income before taxes	$	11,570		$	11,759		$	34,785		$	34,946

Griffon evaluates performance and allocates resources based on each segment's operating results before interest income and expense, income taxes, depreciation and amortization, unallocated amounts (mainly corporate overhead), restructuring charges, loss on debt extinguishment and acquisition related expenses, as well as other items that may affect comparability, as applicable (“Segment adjusted EBITDA”). Griffon believes this information is useful to investors for the same reason.

The following table provides a reconciliation of Segment adjusted EBITDA to Income before taxes:



	For the Three Months Ended June 30,						For the Nine Months Ended June 30,
	2017			2016			2017			2016
Segment adjusted EBITDA:
Home & Building Products	$	33,134		$	32,082		$	92,506		$	88,249
Telephonics	6,784			12,125			26,679			32,913
PPC	13,311			13,588			39,652			37,154
Total Segment adjusted EBITDA	53,229			57,795			158,837			158,316
Net interest expense	(12,712		)	(12,960		)	(38,701		)	(37,320		)
Segment depreciation and amortization	(19,082		)	(17,551		)	(56,027		)	(51,518		)
Unallocated amounts	(9,865		)	(9,625		)	(29,324		)	(28,632		)
Restructuring charges	—			(5,900		)	—			(5,900		)
Income before taxes	$	11,570		$	11,759		$	34,785		$	34,946

Unallocated amounts typically include general corporate expenses not attributable to a reportable segment.



	For the Three Months Ended June 30,				For the Nine Months Ended June 30,
DEPRECIATION and AMORTIZATION	2017		2016		2017		2016
Segment:
Home & Building Products	$	9,426	$	8,881	$	27,845	$	26,079
Telephonics	2,670		2,654		8,158		7,754
PPC	6,986		6,016		20,024		17,685
Total segment depreciation and amortization	19,082		17,551		56,027		51,518
Corporate	125		126		353		361
Total consolidated depreciation and amortization	$	19,207	$	17,677	$	56,380	$	51,879

CAPITAL EXPENDITURES
Segment:
Home & Building Products	$	5,800	$	9,148	$	16,213	$	37,263
Telephonics	1,161		2,360		4,274		5,598
PPC	9,678		5,648		36,764		19,008
Total segment	16,639		17,156		57,251		61,869
Corporate	1		139		1,902		1,378
Total consolidated capital expenditures	$	16,640	$	17,295	$	59,153	$	63,247



ASSETS	At June 30, 2017		At September 30, 2016
Segment assets:
Home & Building Products	$	1,030,779	$	1,020,297
Telephonics	315,791		334,631
PPC	362,003		365,920
Total segment assets	1,708,573		1,720,848
Corporate	91,117		59,061
Total continuing assets	1,799,690		1,779,909
Assets of discontinued operations	4,793		2,187
Consolidated total	$	1,804,483	$	1,782,096

DEFINED BENEFIT PENSION EXPENSE

9 Months Ended

Jun. 30, 2017

Retirement Benefits [Abstract]

DEFINED BENEFIT PENSION EXPENSE

Defined benefit pension expense (income) was as follows:



	Three Months Ended June 30,						Nine Months Ended June 30,
	2017			2016			2017			2016
Interest cost	$	1,402		$	1,065		$	4,206		$	5,225
Expected return on plan assets	(2,735		)	(2,489		)	(8,207		)	(8,321		)
Amortization:
Prior service cost	4			3			12			11
Recognized actuarial loss	832			590			2,496			1,771
Net periodic expense (income)	$	(497	)	$	(831	)	$	(1,493	)	$	(1,314	)

In 2016, the Company changed the method used to estimate the service and interest components of net periodic benefit cost for pension and other post-retirement benefits from the single weighted-average discount rate to the spot rate method. There was no impact on the total benefit obligation.

RECENT ACCOUNTING PRONOUNCEMENTS	9 Months Ended
RECENT ACCOUNTING PRONOUNCEMENTS	Jun. 30, 2017
Accounting Changes and Error Corrections [Abstract]
RECENT ACCOUNTING PRONOUNCEMENTS	RECENT ACCOUNTING PRONOUNCEMENTS Recently adopted accounting pronouncements In March 2016, the FASB issued guidance on Stock Compensation: Improvements to Employee Share-Based Payment Accounting. The guidance changes how companies account for certain aspects of share-based payment awards to employees, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as the classification of related matters in the statement of cash flows. The amendments are effective for annual periods, and interim reporting periods within those annual periods, beginning after December 15, 2016 using either the prospective, retrospective or modified retrospective transition method, depending on the area covered in this update. In the fourth quarter of fiscal 2016, the Company early adopted this guidance as of October 1, 2015, using the prospective transition method in order to simplify the accounting for employee share-based payments. As such, all excess tax benefits (“windfalls”) and deficiencies (“shortfalls”) related to employee stock compensation were recognized within income tax expense and included in operating cash flow for the year ended September 30, 2016. Under prior guidance, windfalls were recognized to Capital in excess of par value and shortfalls were only recognized to the extent they exceeded the pool of windfall tax benefits; benefits were recognized in financing activities in the cash flow. The first through third 2016 quarters and related year-to-date periods were adjusted as a result of the adoption. A tax benefit of $2,193 was recognized within income tax expense reflecting the excess tax benefits in the accompanying Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) for the nine-month period ended June 30, 2016. Additionally, income tax benefits at settlement of an award were previously reported as a reduction to operating cash flows and an increase to financing cash flows to the extent that those benefits exceeded the income tax benefits reported in earnings during the award's vesting period. As such, there was a $2,291 increase to net cash provided by operating activities and a corresponding decrease to net cash used in financing activities in the accompanying Condensed Consolidated Statement of Cash Flows for nine-month period ended June 30, 2016. The remaining provisions of this accounting standard did not have a material impact on the accompanying condensed consolidated financial statements. Newly issued but not yet effective accounting pronouncements In May 2017, the FASB issued guidance to address the situation when a company modifies the terms of a stock compensation award previously granted to an employee. This guidance is effective, and should be applied prospectively, for fiscal years beginning after December 15, 2017. Early adoption is permitted as of the beginning of an annual period. The new guidance is effective for the Company beginning in 2019. We are currently evaluating the impact of the guidance on the Company's financial condition, results of operations and related disclosures. In March 2017, the FASB issued amendments to the Compensation - Retirement Benefits guidance which requires companies to retrospectively present the service cost component of net periodic benefit cost for pension and retiree medical plans along with other compensation costs in operating income and present the other components of net periodic benefit cost below operating income in the income statement. The guidance also allows only the service cost component of net periodic benefit cost to be eligible for capitalization within inventory or fixed assets on a prospective basis. This guidance is effective, and should be applied retroactively, for fiscal years beginning after December 15, 2017. Early adoption is permitted as of the beginning of an annual period. The new guidance is effective for the Company beginning in 2019. We are currently evaluating the impact of the guidance on the Company's financial condition, results of operations and related disclosures. In January 2017, the FASB issued guidance that simplifies how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit's goodwill with the carrying amount of that goodwill. This guidance is effective for annual periods beginning after December 15, 2019, including interim periods within those periods and will be effective for the Company beginning in 2020. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. We are currently evaluating the impact of the guidance on the Company's financial condition, results of operations and related disclosures. In January 2017, the FASB issued guidance that clarifies the definition of a business, which will impact many areas of accounting including acquisitions, disposals, goodwill, and consolidation. The new standard is intended to help companies and other organizations evaluate whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. This guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those periods and will be effective for the Company beginning in 2019. We are currently evaluating the impact of the guidance on the Company's financial condition, results of operations and related disclosures. In August 2016, the FASB issued guidance on the Statement of Cash Flows Classification of certain cash receipts and cash payments (a consensus of the FASB Emerging Issues Task Force). This guidance addresses the following eight specific cash flow issues: Debt prepayment or debt extinguishment costs; settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing; contingent consideration payments made after a business combination; proceeds from the settlement of insurance claims; proceeds from the settlement of corporate-owned life insurance policies (including bank-owned life insurance policies); distributions received from equity method investees; beneficial interests in securitization transactions; and separately identifiable cash flows and application of the predominance principle. This guidance will be effective for the Company beginning in 2019. We are currently evaluating the impact of the guidance on the Company's financial condition, results of operations and related disclosures. In February 2016, the FASB issued guidance on lease accounting requiring lessees to recognize a right-of-use asset and a lease liability for long-term leases. The liability will be equal to the present value of lease payments. This guidance must be applied using a modified retrospective transition approach to all annual and interim periods presented and is effective for the Company beginning in 2020. We are currently evaluating the impact of the guidance on the Company's financial condition, results of operations and related disclosures. In August 2014, the FASB issued guidance on management's responsibility in evaluating whether there is substantial doubt about a company's ability to continue as a going concern and related footnote disclosures. Management will be required to evaluate, at each reporting period, whether there are conditions or events that raise substantial doubt about a company's ability to continue as a going concern within one year from the date the financial statements are issued. This guidance is effective prospectively for annual and interim reporting periods beginning in 2017; implementation of this guidance is not expected to have a material effect on the Company’s financial condition or results of operations. In May 2014, the FASB issued guidance on revenue from contracts with customers. The underlying principle is that an entity will recognize revenue to depict the transfer of goods or services to customers at an amount that the entity expects to be entitled to in exchange for those goods or services. The guidance provides a five-step analysis of transactions to determine when and how revenue is recognized. Other major provisions include capitalization of certain contract costs, consideration of time value of money in the transaction price, and allowing estimates of variable consideration to be recognized before contingencies are resolved, in certain circumstances. The guidance also requires enhanced disclosures regarding the nature, amount, timing and uncertainty of revenue and cash flows arising from an entity's contracts with customers. This guidance permits the use of either the retrospective or cumulative effect transition method and is effective for the Company beginning in 2019; early adoption is permitted beginning in 2018. We have not yet selected a transition method and are currently evaluating the impact of the guidance on the Company's financial condition, results of operations and related disclosures. The FASB has also issued the following additional guidance clarifying certain issues on revenue from contracts with customers; Revenue from Contracts with Customers: Narrow-Scope Improvements and Practical Expedients and Revenue from Contracts with Customers: Identifying Performance Obligations and Licensing. The Company is currently evaluating this guidance to determine the impact it will have on its consolidated financial statements. The Company has implemented all new accounting pronouncements that are in effect and that may impact its financial statements, and does not believe that there are any other new accounting pronouncements that have been issued that might have a material impact on its financial position or results of operations.

DISCONTINUED OPERATIONS

9 Months Ended

Jun. 30, 2017

Discontinued Operations and Disposal Groups [Abstract]

DISCONTINUED OPERATIONS

The following amounts related to the Installation Services segment, discontinued in 2008, and other businesses discontinued several years ago, which have been segregated from Griffon’s continuing operations, and are reported as assets and liabilities of discontinued operations in the Condensed Consolidated Balance Sheets:



	At June 30, 2017		At September 30, 2016
Assets of discontinued operations:
Prepaid and other current assets	$	479	$	219
Other long-term assets	4,314		1,968
Total assets of discontinued operations	$	4,793	$	2,187

Liabilities of discontinued operations:
Accrued liabilities, current	$	1,107	$	1,684
Other long-term liabilities	4,321		1,706
Total liabilities of discontinued operations	$	5,428	$	3,390

There was no Installation Services revenue or income for the quarter and nine months ended June 30, 2017 or 2016.

RESTRUCTURING AND OTHER RELATED CHARGES (Notes)

9 Months Ended

Jun. 30, 2017

Restructuring and Related Activities [Abstract]

RESTRUCTURING AND OTHER RELATED CHARGES

During the third quarter of 2016, PPC incurred pre-tax restructuring and related exit costs approximating $5,900 primarily related to headcount reductions at PPC’s Dombuhl, Germany facility, other location headcount reductions and for costs related to the shut down of PPC's Turkey facility. These actions resulted in the elimination of approximately 83 positions. The Dombuhl charges are related to an optimization plan that will drive innovation and enhance PPC's industry leading position in printed breathable back sheet. The facility will be transformed into a state of the art hygiene products facility focused on breathable printed film and siliconized products. In conjunction with this effort, PPC's customer base will be streamlined, and PPC will dispose of old assets and reduce overhead costs, allowing for gains in efficiencies.

The activity in the restructuring accrual recorded in accrued liabilities consisted of the following:



	Workforce Reduction			Other Related			Total
Accrued liability at September 30, 2016	$	2,487		$	1,004		$	3,491
Payments	(1,749		)	(745		)	(2,494		)
Accrued liability at June 30, 2017	$	738		$	259		$	997

OTHER EXPENSE	9 Months Ended
OTHER EXPENSE	Jun. 30, 2017
Other Income and Expenses [Abstract]
OTHER EXPENSE	OTHER INCOME (EXPENSE) For the quarters ended June 30, 2017 and 2016, Other income (expense) included $(849) and $192, respectively, of net currency exchange gains (losses) in connection with the translation of receivables and payables denominated in currencies other than the functional currencies of Griffon and its subsidiaries as well as $55 and $58, respectively, of net investment income. For the nine months ended June 30, 2017 and 2016, Other income (expense) included $(1,116) and $301, respectively, of net currency exchange gains (losses) in connection with the translation of receivables and payables denominated in currencies other than the functional currencies of Griffon and its subsidiaries as well as $210 and $260, respectively, of net investment income.

WARRANTY LIABILITY

9 Months Ended

Jun. 30, 2017

Product Warranties Disclosures [Abstract]

WARRANTY LIABILITY

Telephonics offers warranties against product defects for periods generally ranging from one to two years, depending on the specific product and terms of the customer purchase agreement. CBP also offers warranties against product defects for periods generally ranging from one to ten years, with limited lifetime warranties on certain door models. Typical warranties require CBP and Telephonics to repair or replace the defective products during the warranty period at no cost to the customer. At the time revenue is recognized, Griffon records a liability for warranty costs, estimated based on historical experience, and periodically assesses its warranty obligations and adjusts the liability as necessary. AMES offers an express limited warranty for a period of ninety days on all products from the date of original purchase unless otherwise stated on the product or packaging.

Changes in Griffon’s warranty liability, included in Accrued liabilities, were as follows:



	Three Months Ended June 30,						Nine Months Ended June 30,
	2017			2016			2017			2016
Balance, beginning of period	$	5,803		$	6,469		$	6,322		$	6,040
Warranties issued and changes in estimated pre-existing warranties	803			1,496			3,310			4,504
Actual warranty costs incurred	(1,457		)	(1,698		)	(4,483		)	(4,277		)
Balance, end of period	$	5,149		$	6,267		$	5,149		$	6,267

COMMITMENTS AND CONTINGENCIES	9 Months Ended
COMMITMENTS AND CONTINGENCIES	Jun. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES	COMMITMENTS AND CONTINGENCIES Legal and environmental Department of Environmental Conservation of New York State (“DEC”), with ISC Properties, Inc. Lightron Corporation (“Lightron”), a wholly-owned subsidiary of Griffon, once conducted operations at a location in Peekskill in the Town of Cortlandt, New York (the “Peekskill Site”) owned by ISC Properties, Inc. (“ISC”), a wholly-owned subsidiary of Griffon. ISC sold the Peekskill Site in November 1982. Subsequently, ISC was advised by the DEC that random sampling at the Peekskill Site and in a creek near the Peekskill Site indicated concentrations of solvents and other chemicals common to Lightron’s prior plating operations. ISC then entered into a consent order with the DEC in 1996 (the “Consent Order”) to perform a remedial investigation and prepare a feasibility study. After completing the initial remedial investigation pursuant to the Consent Order, ISC was required by the DEC, and did accordingly conduct over the next several years, supplemental remedial investigations, including soil vapor investigations, under the Consent Order. In April 2009, the DEC advised ISC’s representatives that both the DEC and the New York State Department of Health had reviewed and accepted an August 2007 Remedial Investigation Report and an Additional Data Collection Summary Report dated January 30, 2009. With the acceptance of these reports, ISC completed the remedial investigation required under the Consent Order and was authorized, accordingly, by the DEC to conduct the Feasibility Study required by the Consent Order. Pursuant to the requirements of the Consent Order and its obligations thereunder, ISC, without acknowledging any responsibility to perform any remediation at the Site, submitted to the DEC in August 2009, a draft feasibility study which recommended for the soil, groundwater and sediment media, remediation alternatives having a current net capital cost value, in the aggregate, of approximately $5,000. In February 2011, DEC advised ISC it has accepted and approved the feasibility study. Accordingly, ISC has no further obligations under the consent order. Upon acceptance of the feasibility study, DEC issued a Proposed Remedial Action Plan (“PRAP”) that sets forth the proposed remedy for the site. The PRAP accepted the recommendation contained in the feasibility study for remediation of the soil and groundwater media, but selected a different remediation alternative for the sediment medium. The approximate cost and the current net capital cost value of the remedy proposed by DEC in the PRAP is approximately $10,000. After receiving public comments on the PRAP, the DEC issued a Record of Decision (“ROD”) that set forth the specific remedies selected and responded to public comments. The remedies selected by the DEC in the ROD are the same remedies as those set forth in the PRAP. It is now expected that DEC will enter into negotiations with potentially responsible parties to request they undertake performance of the remedies selected in the ROD, and if such parties do not agree to implement such remedies, then the State of New York may use State Superfund money to remediate the Peekskill site and seek recovery of costs from such parties. Griffon does not acknowledge any responsibility to perform any remediation at the Peekskill Site. Improper Advertisement Claim involving Union Tools® Products. Beginning in December 2004, a customer of AMES had been named in various litigation matters relating to certain Union Tools products. The plaintiffs in those litigation matters asserted causes of action against the customer of AMES for improper advertisement to end consumers. The allegations suggested that advertisements led the consumers to believe that Union Tools’ hand tools were wholly manufactured within boundaries of the United States. The complaints asserted various causes of action against the customer of AMES under federal and state law, including common law fraud. At some point, the customer may seek indemnity (including recovery of its legal fees and costs) against AMES for an unspecified amount. Presently, AMES cannot estimate the amount of loss, if any, if the customer were to seek legal recourse against AMES. Union Fork and Hoe, Frankfort, NY site. The former Union Fork and Hoe property in Frankfort, NY was acquired by Ames in 2006 as part of a larger acquisition, and has historic site contamination involving chlorinated solvents, petroleum hydrocarbons and metals. AMES has entered into an Order on Consent with the New York State Department of Environmental Conservation. While the Order is without admission or finding of liability or acknowledgment that there has been a release of hazardous substances at the site, AMES is required to perform a remedial investigation of certain portions of the property and to recommend a remediation option. At the conclusion of the remediation phase to the satisfaction of the DEC, the DEC will issue a Certificate of Completion. AMES has performed significant investigative and remedial activities in the last few years under work plans approved by the DEC, and the DEC has approved the final remedial investigation report. AMES submitted a Feasibility Study, evaluating a number of remedial options, and recommending excavation and offsite disposal of lead contaminated soils, capping of other areas of the site impacted by other metals and performing limited groundwater monitoring. The Company is now awaiting a DEC decision on the Feasibility Study and the issuance of a Record of Decision. Implementation of the selected remedial alternative is expected to occur following regulatory approval. AMES has a number of defenses to liability in this matter, including its rights under a previous Consent Judgment entered into between the DEC and a predecessor of AMES relating to the site. US Government investigations and claims Defense contracts and subcontracts, including Griffon’s contracts and subcontracts, are subject to audit and review by various agencies and instrumentalities of the United States government, including among others, the Defense Contract Audit Agency (“DCAA”), the Defense Criminal Investigative Service (“DCIS”), and the Department of Justice ("DOJ") which has responsibility for asserting claims on behalf of the US government. In addition to ongoing audits, Griffon is currently in discussions with the civil division of the US Department of Justice regarding certain amounts the civil division has indicated it believes it is owed from Griffon with respect to certain US government contracts in which Griffon acted as a subcontractor. No claim has been asserted against Griffon in connection with this matter, and Griffon believes that it does not have a material financial exposure in connection with this matter. In general, departments and agencies of the US Government have the authority to investigate various transactions and operations of Griffon, and the results of such investigations may lead to administrative, civil or criminal proceedings, the ultimate outcome of which could be fines, penalties, repayments or compensatory or treble damages. US Government regulations provide that certain findings against a contractor may lead to suspension or debarment from future US Government contracts or the loss of export privileges for a company or an operating division or subdivision. Suspension or debarment could have a material adverse effect on Telephonics because of its reliance on government contracts. General legal Griffon is subject to various laws and regulations relating to the protection of the environment and is a party to legal proceedings arising in the ordinary course of business. Management believes, based on facts presently known to it, that the resolution of the matters above and such other matters will not have a material adverse effect on Griffon’s consolidated financial position, results of operations or cash flows.

CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION	9 Months Ended
	Jun. 30, 2017
Consolidating Guarantor And Non Guarantor Financial Information [Abstract]
CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION	CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION Griffon’s Senior Notes are fully and unconditionally guaranteed, jointly and severally, on a senior secured basis by the domestic assets of Clopay Building Products Company, Inc., Clopay Plastic Products Company, Inc., Telephonics Corporation, The AMES Companies, Inc., ATT Southern, Inc. and Clopay Ames True Temper Holding Corp., all of which are indirectly 100% owned by Griffon. In accordance with Rule 3-10 of Regulation S-X promulgated under the Securities Act of 1933, presented below are condensed consolidating financial information as of June 30, 2017 and September 30, 2016 and for the three and nine months ended June 30, 2017 and 2016. The financial information may not necessarily be indicative of the results of operations or financial position of the guarantor companies or non-guarantor companies had they operated as independent entities. The guarantor companies and the non-guarantor companies include the consolidated financial results of their wholly-owned subsidiaries accounted for under the equity method. The indenture relating to the Senior Notes (the “Indenture”) contains terms providing that, under certain limited circumstances, a guarantor will be released from its obligations to guarantee the Senior Notes. These circumstances include (i) a sale of at least a majority of the stock, or all or substantially all the assets, of the subsidiary guarantor as permitted by the Indenture; (ii) a public equity offering of a subsidiary guarantor that qualifies as a “Minority Business” as defined in the Indenture (generally, a business the EBITDA of which constitutes less than 50% of the segment adjusted EBITDA of the Company for the most recently ended four fiscal quarters), and that meets certain other specified conditions as set forth in the Indenture; (iii) the designation of a guarantor as an “unrestricted subsidiary” as defined in the Indenture, in compliance with the terms of the Indenture; (iv) Griffon exercising its right to defease the Senior Notes, or to otherwise discharge its obligations under the Indenture, in each case in accordance with the terms of the Indenture; and (v) upon obtaining the requisite consent of the holders of the Senior Notes.

DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Policies)

9 Months Ended

Jun. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

The condensed consolidated financial statements include the accounts of Griffon and all subsidiaries. Intercompany accounts and transactions have been eliminated on consolidation.

Certain amounts in the prior year have been reclassified to conform to current year presentation.

Fair Value Measurements

FAIR VALUE MEASUREMENTS


•	Level 1 inputs are measured and recorded at fair value based upon quoted prices in active markets for identical assets.

•


•	Level 3 inputs are unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.

The fair values of Griffon’s 2022 senior notes approximated $742,255 on June 30, 2017. Fair values were based upon quoted market prices (level 1 inputs).

Items Measured at Fair Value on a Recurring Basis

Inventories

Inventories are stated at the lower of cost (first-in, first-out or average) or market.

New Accounting Pronouncements

The Company has implemented all new accounting pronouncements that are in effect and that may impact its financial statements, and does not believe that there are any other new accounting pronouncements that have been issued that might have a material impact on its financial position or results of operations.

ACQUISITIONS (Tables)	9 Months Ended
ACQUISITIONS (Tables)	Jun. 30, 2017
Business Combinations [Abstract]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed	ACQUISITIONS AND INVESTMENTS On July 31, 2017, The AMES Companies, Inc. acquired La Hacienda Limited, a leading United Kingdom outdoor living brand of unique heating and garden decor products, for approximately $11,400 (GBP 8,675), including an approximate contingent earn out payment of $790 (GBP 600). The acquisition of La Hacienda broadens AMES' global outdoor living and lawn and garden business and supports AMES' UK expansion strategy. On December 30, 2016, AMES Australia acquired Hills Home Living ("Hills") for approximately $6,051 (AUD 8,400). The purchase price has been preliminary allocated to acquired assets and assumed liabilities and primarily consists of inventory, tooling and identifiable intangible assets, including trademarks, intellectual property and customer relationships. Hills, founded in 1946, is a market leader in the supply of clothesline, laundry and garden products. The Hills acquisition adds to AMES' existing broad category of products and enhances our lawn and garden product offerings in Australia. On February 14, 2016, AMES Australia acquired substantially all of the Intellectual Property (IP) assets of Australia-based Nylex Plastics Pty Ltd. for approximately $1,700. Through this acquisition, AMES and Griffon secured the ownership of the trademark “Nylex” for certain categories of AMES products, principally in the country of Australia. Previously, the Nylex name was licensed. The acquisition of the Nylex IP was contemplated as a post-closing activity following the Cyclone acquisition and supports AMES' Australian watering products strategy. The purchase price was allocated to indefinite lived trademarks and is not deductible for income taxes. In December 2015, Telephonics invested an additional $2,726 increasing its equity stake from 26% to 49% in Mahindra Telephonics Integrated Systems ("MTIS"), a joint venture with Mahindra Defence Systems, a Mahindra Group Company. MTIS is an aerospace and defense manufacturing and development facility in Prithla, India. This investment is accounted for using the equity method.

INVENTORIES (Tables)

9 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory

The following table details the components of inventory:



	At June 30, 2017		At September 30, 2016
Raw materials and supplies	$	84,249	$	81,345
Work in process	97,390		75,852
Finished goods	157,754		151,672
Total	$	339,393	$	308,869

PROPERTY, PLANT AND EQUIPMENT (Tables)

9 Months Ended

Jun. 30, 2017

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

The following table details the components of property, plant and equipment, net:



	At June 30, 2017			At September 30, 2016
Land, building and building improvements	$	144,353		$	138,204
Machinery and equipment	832,833			804,280
Leasehold improvements	63,289			51,015
	1,040,475			993,499
Accumulated depreciation and amortization	(630,003		)	(588,095		)
Total	$	410,472		$	405,404

GOODWILL AND OTHER INTANGIBLES (Tables)

9 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following table provides changes in the carrying value of goodwill by segment during the nine months ended June 30, 2017:



	At September 30, 2016		Other adjustments including currency translations			At June 30, 2017
Home & Building Products	$	287,617	$	(29	)	$	287,588
Telephonics	18,545		—			18,545
PPC	55,023		249			55,272
Total	$	361,185	$	220		$	361,405

Schedule Of Identifiable Intangible Assets

The following table provides the gross carrying value and accumulated amortization for each major class of intangible assets:



	At June 30, 2017					At September 30, 2016
	Gross Carrying Amount		Accumulated Amortization		Average Life (Years)	Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	171,860	$	52,700	25	$	170,652	$	47,217
Unpatented technology	6,088		4,497		12.5	6,073		4,060
Total amortizable intangible assets	177,948		57,197			176,725		51,277
Trademarks	89,309		—			85,151		—
Total intangible assets	$	267,257	$	57,197		$	261,876	$	51,277

LONG-TERM DEBT (Tables)

9 Months Ended

Jun. 30, 2017

Debt Disclosure [Abstract]

Schedule of Debt



		At June 30, 2017														At September 30, 2016
		Outstanding Balance			Original Issuer Discount			Capitalized Fees & Expenses			Balance Sheet			Coupon Interest Rate (1)		Outstanding Balance			Original Issuer Discount			Capitalized Fees & Expenses			Balance Sheet			Coupon Interest Rate (1)
Senior notes due 2022	(a)	$	725,000		$	(1,244	)	$	(8,586	)	$	715,170		5.25	%	725,000			$	(1,447	)	$	(9,799	)	$	713,754		5.25	%
Revolver due 2021	(b)	163,748			—			(2,040		)	161,708			Variable		—			—			(2,425		)	(2,425		)	Variable
Convert. debt due 2017	(c)	—			—			—			—			n/a		100,000			(1,248		)	(148		)	98,604			4.00	%
Real estate mortgages	(d)	35,847			—			(499		)	35,348			Variable		37,861			—			(595		)	37,266			Variable
ESOP Loans	(e)	43,330			—			(316		)	43,014			Variable		34,387			—			(237		)	34,150			Variable
Capital lease - real estate	(f)	5,600			—			(112		)	5,488			5.00	%	6,447			—			(131		)	6,316			5.00	%
Non US lines of credit	(g)	1,218			—			(35		)	1,183			Variable		11,462			—			(1		)	11,461			Variable
Non US term loans	(g)	31,461			—			(224		)	31,237			Variable		33,669			—			(247		)	33,422			Variable
Other long term debt	(h)	4,249			—			(21		)	4,228			Variable		4,030			—			(20		)	4,010			Variable
Totals		1,010,453			(1,244		)	(11,833		)	997,376					952,856			(2,695		)	(13,603		)	936,558
less: Current portion		(16,656		)	—			—			(16,656		)			(22,644		)	—			—			(22,644		)
Long-term debt		$	993,797		$	(1,244	)	$	(11,833	)	$	980,720				$	930,212		$	(2,695	)	$	(13,603	)	$	913,914

(a)

On May 18, 2016, in an unregistered offering through a private placement under Rule 144A, Griffon completed the add-on offering of $125,000 principal amount of its 5.25% senior notes due 2022, at 98.76% of par, to Griffon's previously issued $600,000 5.25% senior notes due 2022, at par, which was completed on February 27, 2014 (collectively the “Senior Notes”). As of June 30, 2017, outstanding Senior Notes due totaled $725,000; interest is payable semi-annually on March 1 and September 1. The net proceeds of the add-on offering were used to pay down outstanding borrowings under Griffon's revolving credit facility (the "Credit Agreement").

(b)

(c)

(d)

(e)


(f)	In October 2006, CBP entered into a capital lease totaling $14,290 for real estate in Troy, Ohio. The lease matures in 2022, bears interest at a fixed rate of 5.0%, is secured by a mortgage on the real estate and is guaranteed by Griffon. At June 30, 2017, $5,488 was outstanding, net of issuance costs.

(g)


(h)	Other long-term debt consists primarily of a loan with the Pennsylvania Industrial Development Authority, with the balance consisting of capital leases.

At June 30, 2017, Griffon and its subsidiaries were in compliance with the terms and covenants of all credit and loan agreements.

Schedule of Interest Expense For Long Term Debt



		Three Months Ended June 30, 2017												Three Months Ended June 30, 2016
		Effective Interest Rate (1)		Cash Interest			Amort. Debt Discount		Amort. Debt Issuance Costs & Other Fees		Total Interest Expense			Effective Interest Rate (1)		Cash Interest			Amort. Debt Discount		Amort. Debt Issuance Costs & Other Fees		Total Interest Expense
Senior notes due 2022	(a)	5.6	%	9,516			67		462		10,045			5.5	%	8,641			36		383		9,060
Revolver due 2021	(b)	Variable		1,629			—		140		1,769			Variable		660			—		137		797
Convert. debt due 2017	(c)	n/a		—			—		—		—			9.1	%	1,000			1,093		111		2,204
Real estate mortgages	(d)	2.6	%	234			—		36		270			2.3	%	194			—		26		220
ESOP Loans	(e)	4.0	%	414			—		29		443			3.3	%	274			—		18		292
Capital lease - real estate	(f)	5.4	%	72			—		7		79			5.4	%	87			—		6		93
Non US lines of credit	(g)	Variable		113			—		75		188			Variable		367			—		23		390
Non US term loans	(g)	Variable		228			—		38		266			Variable		276			—		53		329
Other long term debt	(h)	Variable		85			—		1		86			Variable		97			—		—		97
Capitalized interest				(417		)	—		—		(417		)			(443		)	—		—		(443		)
Totals				$	11,874		$	67	$	788	$	12,729				$	11,153		$	1,129	$	757	$	13,039

(1) n/a = not applicable



		Nine Months Ended June 30, 2017												Nine Months Ended June 30, 2016
		Effective Interest Rate (1)		Cash Interest			Amort. Debt Discount		Amort. Debt Issuance Costs & Other Fees		Total Interest Expense			Effective Interest Rate (1)		Cash Interest			Amort. Debt Discount		Amort. Debt Issuance Costs & Other Fees		Total Interest Expense
Senior notes due 2022	(a)	5.6	%	28,547			202		1,396		30,145			5.5	%	24,391			36		1,028		25,455
Revolver due 2021	(b)	Variable		3,280			—		422		3,702			Variable		2,185			—		374		2,559
Convert. debt due 2017	(c)	8.9	%	1,167			1,248		148		2,563			9.0	%	3,000			3,220		333		6,553
Real estate mortgages	(d)	2.4	%	650			—		56		706			2.2	%	499			—		55		554
ESOP Loans	(e)	4.1	%	1,147			—		94		1,241			3.2	%	805			—		53		858
Capital lease - real estate	(f)	5.4	%	227			—		19		246			5.4	%	270			—		19		289
Non US lines of credit	(g)	Variable		309			—		85		394			Variable		723			—		69		792
Non US term loans	(g)	Variable		840			—		97		937			Variable		832			—		79		911
Other long term debt	(h)	Variable		247			—		7		254			Variable		195			—		—		195
Capitalized interest				(1,441		)	—		—		(1,441		)			(717		)	—		5		(712		)
Totals				$	34,973		$	1,450	$	2,324	$	38,747				$	32,183		$	3,256	$	2,015	$	37,454

(1) n/a = not applicable

(a)

(b)

(c)

(d)

(e)


(f)	In October 2006, CBP entered into a capital lease totaling $14,290 for real estate in Troy, Ohio. The lease matures in 2022, bears interest at a fixed rate of 5.0%, is secured by a mortgage on the real estate and is guaranteed by Griffon. At June 30, 2017, $5,488 was outstanding, net of issuance costs.

(g)


(h)	Other long-term debt consists primarily of a loan with the Pennsylvania Industrial Development Authority, with the balance consisting of capital leases.

At June 30, 2017, Griffon and its subsidiaries were in compliance with the terms and covenants of all credit and loan agreements.

EARNINGS PER SHARE (EPS) (Tables)

9 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table is a reconciliation of the share amounts (in thousands) used in computing earnings per share:



	Three Months Ended June 30,		Nine Months Ended June 30,
	2017	2016	2017	2016
Weighted average shares outstanding - basic	41,683	40,558	40,765	41,318
Incremental shares from stock based compensation	1,572	1,876	1,683	2,047
Convertible debt matured 2017	—	846	486	878

Weighted average shares outstanding - diluted	43,255	43,280	42,934	44,243

Anti-dilutive options excluded from diluted EPS computation	—	377	—	404

BUSINESS SEGMENTS (Tables)

9 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following table provides a reconciliation of Segment adjusted EBITDA to Income before taxes:



	For the Three Months Ended June 30,						For the Nine Months Ended June 30,
	2017			2016			2017			2016
Segment adjusted EBITDA:
Home & Building Products	$	33,134		$	32,082		$	92,506		$	88,249
Telephonics	6,784			12,125			26,679			32,913
PPC	13,311			13,588			39,652			37,154
Total Segment adjusted EBITDA	53,229			57,795			158,837			158,316
Net interest expense	(12,712		)	(12,960		)	(38,701		)	(37,320		)
Segment depreciation and amortization	(19,082		)	(17,551		)	(56,027		)	(51,518		)
Unallocated amounts	(9,865		)	(9,625		)	(29,324		)	(28,632		)
Restructuring charges	—			(5,900		)	—			(5,900		)
Income before taxes	$	11,570		$	11,759		$	34,785		$	34,946

Unallocated amounts typically include general corporate expenses not attributable to a reportable segment.

Information on Griffon’s reportable segments is as follows:



	For the Three Months Ended June 30,				For the Nine Months Ended June 30,
REVENUE	2017		2016		2017		2016
Home & Building Products:
AMES	$	136,132	$	122,198	$	419,763	$	406,335
CBP	140,349		133,362		406,437		389,657
Home & Building Products	276,481		255,560		826,200		795,992
Telephonics	81,633		91,767		267,998		306,678
PPC	115,206		114,873		341,986		353,786
Total consolidated net sales	$	473,320	$	462,200	$	1,436,184	$	1,456,456

The following table reconciles segment operating profit to income before taxes:

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis



	For the Three Months Ended June 30,				For the Nine Months Ended June 30,
DEPRECIATION and AMORTIZATION	2017		2016		2017		2016
Segment:
Home & Building Products	$	9,426	$	8,881	$	27,845	$	26,079
Telephonics	2,670		2,654		8,158		7,754
PPC	6,986		6,016		20,024		17,685
Total segment depreciation and amortization	19,082		17,551		56,027		51,518
Corporate	125		126		353		361
Total consolidated depreciation and amortization	$	19,207	$	17,677	$	56,380	$	51,879

CAPITAL EXPENDITURES
Segment:
Home & Building Products	$	5,800	$	9,148	$	16,213	$	37,263
Telephonics	1,161		2,360		4,274		5,598
PPC	9,678		5,648		36,764		19,008
Total segment	16,639		17,156		57,251		61,869
Corporate	1		139		1,902		1,378
Total consolidated capital expenditures	$	16,640	$	17,295	$	59,153	$	63,247

DEFINED BENEFIT PENSION EXPENSE (Tables)

9 Months Ended

Jun. 30, 2017

Retirement Benefits [Abstract]

Schedule of Defined Benefit Plans Disclosures

Defined benefit pension expense (income) was as follows:



	Three Months Ended June 30,						Nine Months Ended June 30,
	2017			2016			2017			2016
Interest cost	$	1,402		$	1,065		$	4,206		$	5,225
Expected return on plan assets	(2,735		)	(2,489		)	(8,207		)	(8,321		)
Amortization:
Prior service cost	4			3			12			11
Recognized actuarial loss	832			590			2,496			1,771
Net periodic expense (income)	$	(497	)	$	(831	)	$	(1,493	)	$	(1,314	)

DISCONTINUED OPERATIONS (Tables)

9 Months Ended

Jun. 30, 2017

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures



	At June 30, 2017		At September 30, 2016
Assets of discontinued operations:
Prepaid and other current assets	$	479	$	219
Other long-term assets	4,314		1,968
Total assets of discontinued operations	$	4,793	$	2,187

Liabilities of discontinued operations:
Accrued liabilities, current	$	1,107	$	1,684
Other long-term liabilities	4,321		1,706
Total liabilities of discontinued operations	$	5,428	$	3,390

- Definition

Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=65878427&loc=SL51721533-107759

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
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-Section 50
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 205
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-URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760

Reference 5: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 360
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=84176398&loc=SL51724579-110230

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5C
-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721675-107760

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721663-107760

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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-URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2941-110230

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 3A
-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721659-107760

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5A
-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721671-107760

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5D
-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721677-107760

+ Details

RESTRUCTURING AND OTHER RELATED CHARGES (Tables)

9 Months Ended

Jun. 30, 2017

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Reserve by Type of Cost

The activity in the restructuring accrual recorded in accrued liabilities consisted of the following:



	Workforce Reduction			Other Related			Total
Accrued liability at September 30, 2016	$	2,487		$	1,004		$	3,491
Payments	(1,749		)	(745		)	(2,494		)
Accrued liability at June 30, 2017	$	738		$	259		$	997

WARRANTY LIABILITY (Tables)

9 Months Ended

Jun. 30, 2017

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability

Changes in Griffon’s warranty liability, included in Accrued liabilities, were as follows:



	Three Months Ended June 30,						Nine Months Ended June 30,
	2017			2016			2017			2016
Balance, beginning of period	$	5,803		$	6,469		$	6,322		$	6,040
Warranties issued and changes in estimated pre-existing warranties	803			1,496			3,310			4,504
Actual warranty costs incurred	(1,457		)	(1,698		)	(4,483		)	(4,277		)
Balance, end of period	$	5,149		$	6,267		$	5,149		$	6,267

OTHER COMPREHENSIVE INCOME (LOSS) (Tables)

9 Months Ended

Jun. 30, 2017

Equity [Abstract]

Comprehensive Income (Loss)

The amounts recognized in other comprehensive income (loss) were as follows:



	Three Months Ended June 30, 2017							Three Months Ended June 30, 2016
	Pre-tax		Tax			Net of tax		Pre-tax		Tax			Net of tax
Foreign currency translation adjustments	$	6,414	$	—		$	6,414	$	796	$	—		$	796
Pension and other defined benefit plans	836		(292		)	544		593		(207		)	386
Cash flow hedges	277		(79		)	198		1,838		(551		)	1,287
Total other comprehensive income (loss)	$	7,527	$	(371	)	$	7,156	$	3,227	$	(758	)	$	2,469



	Nine Months Ended June 30, 2017							Nine Months Ended June 30, 2016
	Pre-tax		Tax			Net of tax		Pre-tax			Tax			Net of tax
Foreign currency translation adjustments	$	1,344	$	—		$	1,344	$	11,130		$	—		$	11,130
Pension and other defined benefit plans	2,508		(876		)	1,632		1,782			(624		)	1,158
Cash flow hedges	1,121		(320		)	801		(1,967		)	590			(1,377		)
Total other comprehensive income (loss)	$	4,973	$	(1,196	)	$	3,777	$	10,945		$	(34	)	$	10,911

The components of Accumulated other comprehensive income (loss) are as follows:



	June 30, 2017			September 30, 2016
Foreign currency translation adjustments	$	(41,550	)	$	(42,894	)
Pension and other defined benefit plans	(35,711		)	(37,343		)
Change in Cash flow hedges	(203		)	(1,004		)
	$	(77,464	)	$	(81,241	)

Comprehensive Income (Loss) Note [Text Block]

OTHER COMPREHENSIVE INCOME (LOSS)

The amounts recognized in other comprehensive income (loss) were as follows:



	Three Months Ended June 30, 2017							Three Months Ended June 30, 2016
	Pre-tax		Tax			Net of tax		Pre-tax		Tax			Net of tax
Foreign currency translation adjustments	$	6,414	$	—		$	6,414	$	796	$	—		$	796
Pension and other defined benefit plans	836		(292		)	544		593		(207		)	386
Cash flow hedges	277		(79		)	198		1,838		(551		)	1,287
Total other comprehensive income (loss)	$	7,527	$	(371	)	$	7,156	$	3,227	$	(758	)	$	2,469



	Nine Months Ended June 30, 2017							Nine Months Ended June 30, 2016
	Pre-tax		Tax			Net of tax		Pre-tax			Tax			Net of tax
Foreign currency translation adjustments	$	1,344	$	—		$	1,344	$	11,130		$	—		$	11,130
Pension and other defined benefit plans	2,508		(876		)	1,632		1,782			(624		)	1,158
Cash flow hedges	1,121		(320		)	801		(1,967		)	590			(1,377		)
Total other comprehensive income (loss)	$	4,973	$	(1,196	)	$	3,777	$	10,945		$	(34	)	$	10,911

The components of Accumulated other comprehensive income (loss) are as follows:



	June 30, 2017			September 30, 2016
Foreign currency translation adjustments	$	(41,550	)	$	(42,894	)
Pension and other defined benefit plans	(35,711		)	(37,343		)
Change in Cash flow hedges	(203		)	(1,004		)
	$	(77,464	)	$	(81,241	)

Amounts reclassified from accumulated other comprehensive income (loss) to income were as follows:



	For the Three Months Ended June 30,						For the Nine Months Ended June 30,
Gain (Loss)	2017			2016			2017			2016
Pension amortization	$	(836	)	$	(593	)	$	(2,508	)	$	(1,782	)
Cash flow hedges	(88		)	(764		)	(910		)	324
Total gain (loss)	(924		)	(1,357		)	(3,418		)	(1,458		)
Tax benefit (expense)	277			407			1,025			438
Total	$	(647	)	$	(950	)	$	(2,393	)	$	(1,020	)

Reclassification out of Accumulated Other Comprehensive Income

Amounts reclassified from accumulated other comprehensive income (loss) to income were as follows:



	For the Three Months Ended June 30,						For the Nine Months Ended June 30,
Gain (Loss)	2017			2016			2017			2016
Pension amortization	$	(836	)	$	(593	)	$	(2,508	)	$	(1,782	)
Cash flow hedges	(88		)	(764		)	(910		)	324
Total gain (loss)	(924		)	(1,357		)	(3,418		)	(1,458		)
Tax benefit (expense)	277			407			1,025			438
Total	$	(647	)	$	(950	)	$	(2,393	)	$	(1,020	)

CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Tables)

9 Months Ended

Jun. 30, 2017

Consolidating Guarantor And Non Guarantor Financial Information [Abstract]

Condensed Balance Sheet

CONDENSED CONSOLIDATING BALANCE SHEETS

At June 30, 2017



	Parent Company		Guarantor Companies		Non-Guarantor Companies		Elimination			Consolidation
CURRENT ASSETS
Cash and equivalents	$	21,231	$	11,550	$	36,667	$	—		$	69,448
Accounts receivable, net of allowances	—		192,813		54,839		(19,839		)	227,813
Contract costs and recognized income not yet billed, net of progress payments	—		119,114		253		—			119,367
Inventories, net	—		269,815		69,502		76			339,393
Prepaid and other current assets	14,014		16,574		12,908		126			43,622
Assets of discontinued operations	—		—		479		—			479
Total Current Assets	35,245		609,866		174,648		(19,637		)	800,122
PROPERTY, PLANT AND EQUIPMENT, net	723		300,922		108,827		—			410,472
GOODWILL	—		284,875		76,530		—			361,405
INTANGIBLE ASSETS, net	—		144,620		65,440		—			210,060
INTERCOMPANY RECEIVABLE	555,769		756,667		356,701		(1,669,137		)	—
EQUITY INVESTMENTS IN SUBSIDIARIES	848,559		867,153		1,062,002		(2,777,714		)	—
OTHER ASSETS	8,568		5,515		4,006		21			18,110
ASSETS OF DISCONTINUED OPERATIONS	—		—		4,314		—			4,314
Total Assets	$	1,448,864	$	2,969,618	$	1,852,468	$	(4,466,467	)	$	1,804,483
CURRENT LIABILITIES
Notes payable and current portion of long-term debt	$	2,895	$	2,358	$	11,403	$	—		$	16,656
Accounts payable and accrued liabilities	28,093		192,756		69,231		(13,638		)	276,442
Liabilities of discontinued operations	—		—		1,107		—			1,107
Total Current Liabilities	30,988		195,114		81,741		(13,638		)	294,205

LONG-TERM DEBT, net	924,307		17,240		39,173		—			980,720
INTERCOMPANY PAYABLES	75,225		768,406		795,095		(1,638,726		)	—
OTHER LIABILITIES	24,256		100,641		12,310		(6,058		)	131,149
LIABILITIES OF DISCONTINUED OPERATIONS	—		—		4,321		—			4,321
Total Liabilities	1,054,776		1,081,401		932,640		(1,658,422		)	1,410,395
SHAREHOLDERS’ EQUITY	394,088		1,888,217		919,828		(2,808,045		)	394,088
Total Liabilities and Shareholders’ Equity	$	1,448,864	$	2,969,618	$	1,852,468	$	(4,466,467	)	$	1,804,483

CONDENSED CONSOLIDATING BALANCE SHEETS

At September 30, 2016



	Parent Company		Guarantor Companies		Non-Guarantor Companies		Elimination			Consolidation
CURRENT ASSETS
Cash and equivalents	$	6,517	$	27,692	$	38,344	$	—		$	72,553
Accounts receivable, net of allowances	—		175,583		63,810		(5,642		)	233,751
Contract costs and recognized income not yet billed, net of progress payments	—		126,961		—		—			126,961
Inventories, net	—		239,325		69,544		—			308,869
Prepaid and other current assets	39,763		31,191		16,447		(48,796		)	38,605
Assets of discontinued operations	—		—		219		—			219
Total Current Assets	46,280		600,752		188,364		(54,438		)	780,958

PROPERTY, PLANT AND EQUIPMENT, net	956		303,735		100,713		—			405,404
GOODWILL	—		284,875		76,310		—			361,185
INTANGIBLE ASSETS, net	—		147,960		62,639		—			210,599
INTERCOMPANY RECEIVABLE	539,938		713,118		307,081		(1,560,137		)	—
EQUITY INVESTMENTS IN SUBSIDIARIES	824,887		866,595		1,916,622		(3,608,104		)	—
OTHER ASSETS	6,529		12,151		12,675		(9,373		)	21,982
ASSETS OF DISCONTINUED OPERATIONS	—		—		1,968		—			1,968
Total Assets	$	1,418,590	$	2,929,186	$	2,666,372	$	(5,232,052	)	$	1,782,096
CURRENT LIABILITIES
Notes payable and current portion of long-term debt	$	3,153	$	2,307	$	17,184	$	—		$	22,644
Accounts payable and accrued liabilities	65,751		202,657		65,213		(39,686		)	293,935
Liabilities of discontinued operations	—		—		1,684		—			1,684
Total Current Liabilities	68,904		204,964		84,081		(39,686		)	318,263
LONG-TERM DEBT, net	848,589		18,872		46,453		—			913,914
INTERCOMPANY PAYABLES	57,648		737,980		735,053		(1,530,681		)	—
OTHER LIABILITIES	32,502		114,491		26,574		(36,301		)	137,266
LIABILITIES OF DISCONTINUED OPERATIONS	—		—		1,706		—			1,706
Total Liabilities	1,007,643		1,076,307		893,867		(1,606,668		)	1,371,149
SHAREHOLDERS’ EQUITY	410,947		1,852,879		1,772,505		(3,625,384		)	410,947
Total Liabilities and Shareholders’ Equity	$	1,418,590	$	2,929,186	$	2,666,372	$	(5,232,052	)	$	1,782,096

Condensed Income Statement

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)

For the Three Months Ended June 30, 2017



($ in thousands)	Parent Company			Guarantor Companies			Non-Guarantor Companies			Elimination			Consolidation
Revenue	$	—		$	376,143		$	103,905		$	(6,728	)	$	473,320
Cost of goods and services	—			283,552			81,082			(7,271		)	357,363
Gross profit	—			92,591			22,823			543			115,957
Selling, general and administrative expenses	7,038			65,146			18,648			(92		)	90,740
Income (loss) from operations	(7,038		)	27,445			4,175			635			25,217
Other income (expense)
Interest income (expense), net	(3,267		)	(8,248		)	(1,197		)	—			(12,712		)
Other, net	55			572			(927		)	(635		)	(935		)
Total other income (expense)	(3,212		)	(7,676		)	(2,124		)	(635		)	(13,647		)
Income (loss) before taxes	(10,250		)	19,769			2,051			—			11,570
Provision (benefit) for income taxes	(6,080		)	6,910			1,187			—			2,017
Income (loss) before equity in net income of subsidiaries	(4,170		)	12,859			864			—			9,553
Equity in net income (loss) of subsidiaries	13,723			913			12,859			(27,495		)	—
Net income (loss)	$	9,553		$	13,772		$	13,723		$	(27,495	)	$	9,553

Net Income (loss)	$	9,553		$	13,772		$	13,723		$	(27,495	)	$	9,553
Other comprehensive income (loss), net of taxes	7,156			3,688			9,992			(13,680		)	7,156
Comprehensive income (loss)	$	16,709		$	17,460		$	23,715		$	(41,175	)	$	16,709

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)

For the Three Months Ended June 30, 2016



($ in thousands)	Parent Company			Guarantor Companies			Non-Guarantor Companies			Elimination			Consolidation
Revenue	$	—		$	369,235		$	100,420		$	(7,455	)	$	462,200
Cost of goods and services	—			267,804			82,914			(7,875		)	342,843
Gross profit	—			101,431			17,506			420			119,357
Selling, general and administrative expenses	6,646			64,735			17,591			(92		)	88,880
Restructuring and other related charges	—			1,299			4,601			—			5,900
Total operating expenses	6,646			66,034			22,192			(92		)	94,780
Income (loss) from operations	(6,646		)	35,397			(4,686		)	512			24,577
Other income (expense)
Interest income (expense), net	(3,347		)	(7,656		)	(1,957		)	—			(12,960		)
Other, net	67			714			(127		)	(512		)	142
Total other income (expense)	(3,280		)	(6,942		)	(2,084		)	(512		)	(12,818		)
Income (loss) before taxes	(9,926		)	28,455			(6,770		)	—			11,759
Provision (benefit) for income taxes	12,946			7,167			(15,950		)	—			4,163
Income (loss) before equity in net income of subsidiaries	(22,872		)	21,288			9,180			—			7,596
Equity in net income (loss) of subsidiaries	30,468			7,454			21,288			(59,210		)	—
Net income (loss)	$	7,596		$	28,742		$	30,468		$	(59,210	)	$	7,596

Net Income (loss)	$	7,596		$	28,742		$	30,468		$	(59,210	)	$	7,596
Other comprehensive income (loss), net of taxes	2,469			(2,652		)	4,920			(2,268		)	2,469
Comprehensive income (loss)	$	10,065		$	26,090		$	35,388		$	(61,478	)	$	10,065

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)

For the Nine Months Ended June 30, 2017



	Parent Company			Guarantor Companies			Non-Guarantor Companies			Elimination			Consolidation
Revenue	$	—		$	1,132,641		$	327,325		$	(23,782	)	$	1,436,184
Cost of goods and services	—			859,990			253,406			(24,846		)	1,088,550
Gross profit	—			272,651			73,919			1,064			347,634
Selling, general and administrative expenses	20,759			194,377			58,113			(277		)	272,972
Income (loss) from operations	(20,759		)	78,274			15,806			1,341			74,662
Other income (expense)
Interest income (expense), net	(10,616		)	(24,539		)	(3,546		)	—			(38,701		)
Other, net	216			2,131			(2,182		)	(1,341		)	(1,176		)
Total other income (expense)	(10,400		)	(22,408		)	(5,728		)	(1,341		)	(39,877		)
Income (loss) before taxes	(31,159		)	55,866			10,078			—			34,785
Provision (benefit) for income taxes	(16,643		)	20,006			4,560			—			7,923
Income (loss) before equity in net income of subsidiaries	(14,516		)	35,860			5,518			—			26,862
Equity in net income (loss) of subsidiaries	41,378			5,633			35,860			(82,871		)	—
Net income (loss)	$	26,862		$	41,493		$	41,378		$	(82,871	)	$	26,862

Net Income (loss)	$	26,862		$	41,493		$	41,378		$	(82,871	)	$	26,862
Other comprehensive income (loss), net of taxes	3,777			(4,219		)	15,346			(11,127		)	3,777
Comprehensive income (loss)	$	30,639		$	37,274		$	56,724		$	(93,998	)	$	30,639

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)

For the Nine Months Ended June 30, 2016



	Parent Company			Guarantor Companies			Non-Guarantor Companies			Elimination			Consolidation
Revenue	$	—		$	1,165,484		$	313,766		$	(22,794	)	$	1,456,456
Cost of goods and services	—			879,391			251,303			(23,857		)	1,106,837
Gross profit	—			286,093			62,463			1,063			349,619
Selling, general and administrative expenses	19,574			196,879			55,589			(277		)	271,765
Restructuring and other related charges	—			1,299			4,601			—			5,900
Total operating expenses	19,574			198,178			60,190			(277		)	277,665
Income (loss) from operations	(19,574		)	87,915			2,273			1,340			71,954
Other income (expense)
Interest income (expense), net	(8,299		)	(23,197		)	(5,824		)	—			(37,320		)
Other, net	278			2,634			(1,260		)	(1,340		)	312
Total other income (expense)	(8,021		)	(20,563		)	(7,084		)	(1,340		)	(37,008		)
Income (loss) before taxes	(27,595		)	67,352			(4,811		)	—			34,946
Provision (benefit) for income taxes	1,307			23,996			(14,836		)	—			10,467
Income (loss) before equity in net income of subsidiaries	(28,902		)	43,356			10,025			—			24,479
Equity in net income (loss) of subsidiaries	53,381			8,275			43,356			(105,012		)	—
Net income (loss)	$	24,479		$	51,631		$	53,381		$	(105,012	)	$	24,479
Net Income (loss)	$	24,479		$	51,631		$	53,381		$	(105,012	)	$	24,479
Other comprehensive income (loss), net of taxes	10,911			(451		)	11,161			(10,710		)	10,911
Comprehensive income (loss)	$	35,390		$	51,180		$	64,542		$	(115,722	)	$	35,390

Condensed Cash Flow Statement

CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS

For the Nine Months Ended June 30, 2017



	Parent Company			Guarantor Companies			Non-Guarantor Companies			Elimination			Consolidation
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$	26,862		$	41,493		$	41,378		$	(82,871	)	$	26,862
Net cash provided by (used in) operating activities:	(18,837		)	40,186			44,136			—			65,485
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(12		)	(36,384		)	(22,757		)	—			(59,153		)
Acquired businesses, net of cash acquired	—			—			(6,051		)	—			(6,051		)
Proceeds from sale of assets	—			157			8			—			165
Net cash provided by investing activities	(12		)	(36,227		)	(28,800		)	—			(65,039		)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of shares for treasury	(15,796		)	—			—			—			(15,796		)
Proceeds from long-term debt	200,656			—			10,441			—			211,097
Payments of long-term debt	(128,365		)	(1,613		)	(22,500		)	—			(152,478		)
Change in short-term borrowings	—			—			(940		)	—			(940		)
Share premium payment on settled debt	(24,997		)	—			—			—			(24,997		)
Financing costs	(363		)	—			—			—			(363		)
Purchase of ESOP shares	(10,908		)	—			—			—			(10,908		)
Dividends paid	(7,766		)	—			—			—			(7,766		)
Other, net	21,102			(18,488		)	(2,726		)	—			(112		)
Net cash provided by (used in) financing activities	33,563			(20,101		)	(15,725		)	—			(2,263		)
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in discontinued operations	—			—			(1,216		)	—			(1,216		)
Effect of exchange rate changes on cash and equivalents	—			—			(72		)	—			(72		)
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS	14,714			(16,142		)	(1,677		)	—			(3,105		)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	6,517			27,692			38,344			—			72,553
CASH AND EQUIVALENTS AT END OF PERIOD	$	21,231		$	11,550		$	36,667		$	—		$	69,448

CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS

For the Nine Months Ended June 30, 2016



	Parent Company			Guarantor Companies			Non-Guarantor Companies			Elimination			Consolidation
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$	24,479		$	51,631		$	53,381		$	(105,012	)	$	24,479
Net cash provided by (used in) operating activities:	(13,428		)	54,730			18,445			—			59,747
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(221		)	(51,494		)	(11,532		)	—			(63,247		)
Acquired businesses, net of cash acquired	—			—			(1,744		)	—			(1,744		)
Investment in unconsolidated joint venture	—			(2,726		)	—			—			(2,726		)
Investment sales	715			—			—			—			715
Proceeds from sale of assets	—			757			157			—			914
Net cash provided by (used in) investing activities	494			(53,463		)	(13,119		)	—			(66,088		)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of shares for treasury	(50,771		)	—			—			—			(50,771		)
Proceeds from long-term debt	238,450			2,336			22,463			—			263,249
Payments of long-term debt	(143,785		)	(1,599		)	(32,589		)	—			(177,973		)
Change in short-term borrowings	—			—			(45		)	—			(45		)
Financing costs	(4,028		)	—			(107		)	—			(4,135		)
Dividends paid	(6,686		)	—			—			—			(6,686		)
Other, net	13			(3,984		)	3,984			—			13
Net cash provided by (used in) financing activities	33,193			(3,247		)	(6,294		)	—			23,652
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in discontinued operations	—			—			(1,152		)	—			(1,152		)
Effect of exchange rate changes on cash and equivalents	—			—			456			—			456
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS	20,259			(1,980		)	(1,664		)	—			16,615
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	2,440			10,671			38,890			—			52,001
CASH AND EQUIVALENTS AT END OF PERIOD	$	22,699		$	8,691		$	37,226		$	—		$	68,616

DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details)	9 Months Ended
	Jun. 30, 2017 segment company
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of operating segments \| segment	3
Number of companies \| company	2

FAIR VALUE MEASUREMENTS (Details) $ / shares in Units, $ in Thousands		3 Months Ended			9 Months Ended
	Jan. 17, 2017 USD ($) shares	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($) shares	Dec. 31, 2015 USD ($)	Jun. 30, 2017 AUD ($)	Jun. 30, 2017 USD ($) $ / shares	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($)	Sep. 30, 2016
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Issuance of treasury stock in settlement of convertible debt						$ 48,858,000
Investment sales						0	$ 715,000
Australian Dollar Forward Contract [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Gains recorded in Other Income for settled contracts		$ 88,000				$ 910,000
Australian Dollar Forward Contract [Member] \| Designated as Hedging Instrument [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Contracts Revenue					$ 15,000
Contracts Weighted Average Rate Price \| $ / shares						$ 1.30
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Before Tax								$ 318,000
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax								$ 203,000
Australian Dollar Forward Contract [Member] \| Designated as Hedging Instrument [Member] \| Minimum [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Foreign currency contracts duration					3 days	3 days
Australian Dollar Forward Contract [Member] \| Designated as Hedging Instrument [Member] \| Maximum [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Foreign currency contracts duration					179 days	179 days
Canadian Dollar Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Derivative asset, notional amount					$ 5,290
Derivative, average forward exchange rate					1.29			1.29
Canadian Dollar Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member] \| Minimum [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Foreign currency contracts duration					30 days	30 days
Canadian Dollar Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member] \| Maximum [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Foreign currency contracts duration					448 days	448 days
Fair Value, Inputs, Level 2 [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Insurance contracts fair value								$ 3,125,000
Fair Value, Inputs, Level 2 [Member] \| Canadian Dollar Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Gain (loss) on foreign currency derivative instruments not designated as hedging instruments		(217,000)				$ (216,000)
Convertible Notes 2017 [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Debt instrument, interest rate, effective percentage	4.00%
Debt conversion, converted instrument, amount	$ 173,855,000		$ 173,855,000
Debt conversion, converted instrument, cash received	125,000,000		$ 125,000,000
Issuance of treasury stock in settlement of convertible debt	$ 48,858,000
Debt conversion, converted instrument, shares issued \| shares	1,954,993		1,954,993
Senior Notes 2022 [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Debt instrument, interest rate, effective percentage					5.25%			5.25%	5.25%
Senior Notes 2022 [Member] \| Fair Value, Inputs, Level 1 [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Convertible debt, fair value disclosures								$ 742,255,000
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Trading securities								1,498,000
Portion at Other than Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Trading securities								$ 1,000,000
Other Nonoperating Income (Expense) [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Available-for-sale Securities, Gross Realized Losses				$ 13,000
Other Income [Member] \| Fair Value, Inputs, Level 2 [Member] \| Canadian Dollar Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Realized gains (losses)		$ 197,000				$ 250,000

ACQUISITIONS (Details) $ in Thousands						1 Months Ended	9 Months Ended
ACQUISITIONS (Details) $ in Thousands	Jul. 31, 2017 GBP (£)	Jul. 31, 2017 USD ($)	Dec. 30, 2016 AUD ($)	Dec. 30, 2016 USD ($)	Feb. 14, 2016 USD ($)	Dec. 31, 2015 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jul. 31, 2017 USD ($)	Nov. 30, 2015
Business Acquisition [Line Items]
Amount invested							$ 0	$ 2,726,000
Mahindra Telephonics Integrated Systems [Member]
Business Acquisition [Line Items]
Amount invested						$ 2,726,000
Equity stake						49.00%				26.00%
Hills Home Living [Member]
Business Acquisition [Line Items]
Business combination, consideration transferred			$ 8,400	$ 6,051,000
Nylex Plastics Pty Ltd. [Member] \| The AMES Companies, Inc. [Member]
Business Acquisition [Line Items]
Business combination, consideration transferred					$ 1,700,000
Subsequent Event [Member] \| La Hacienda Limited [Member] \| The AMES Companies, Inc. [Member]
Business Acquisition [Line Items]
Business combination, consideration transferred	£ 8,675,000	$ 11,400,000
Contingent earn out	£ 790,000								$ 600,000

INVENTORIES (Details) - Summary of Inventories Stated at Lower Cost - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Inventory Disclosure [Abstract]
Raw materials and supplies	$ 84,249	$ 81,345
Work in process	97,390	75,852
Finished goods	157,754	151,672
Total	$ 339,393	$ 308,869

PROPERTY, PLANT AND EQUIPMENT (Details) - Summary of Property Plant and Equipment - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	$ 1,040,475	$ 993,499
Accumulated depreciation and amortization	(630,003)	(588,095)
Total	410,472	405,404
Land, building and building improvements [Member]
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	144,353	138,204
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	832,833	804,280
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	$ 63,289	$ 51,015

PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 17,288	$ 15,780	$ 50,738	$ 46,236
Selling, general and administrative expense [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 3,770	$ 3,327	$ 10,976	$ 9,735

GOODWILL AND OTHER INTANGIBLES (Details) - Summary of Changes in Carrying Value of Goodwill $ in Thousands	9 Months Ended
	Jun. 30, 2017 USD ($)
Goodwill [Roll Forward]
September 30, 2016	$ 361,185
Other adjustments including currency translations	220
June 30, 2017	361,405
Home & Building Products [Member]
Goodwill [Roll Forward]
September 30, 2016	287,617
Other adjustments including currency translations	(29)
June 30, 2017	287,588
Telephonics [Member]
Goodwill [Roll Forward]
September 30, 2016	18,545
June 30, 2017	18,545
Plastics [Member]
Goodwill [Roll Forward]
September 30, 2016	55,023
Other adjustments including currency translations	249
June 30, 2017	$ 55,272

GOODWILL AND OTHER INTANGIBLES (Details) - Summary of Gross Carrying Value and Accumulated Amortization of Intangible Assets - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2017	Sep. 30, 2016
GOODWILL AND OTHER INTANGIBLES (Details) - Summary of Gross Carrying Value and Accumulated Amortization of Intangible Assets [Line Items]
Gross Carrying Amount	$ 177,948	$ 176,725
Accumulated Amortization	57,197	51,277
Trademarks	89,309	85,151
Total intangible assets	267,257	261,876
Customer relationships [Member]
GOODWILL AND OTHER INTANGIBLES (Details) - Summary of Gross Carrying Value and Accumulated Amortization of Intangible Assets [Line Items]
Gross Carrying Amount	171,860	170,652
Accumulated Amortization	$ 52,700	47,217
Average Life (Years)	25 years
Unpatented technology [Member]
GOODWILL AND OTHER INTANGIBLES (Details) - Summary of Gross Carrying Value and Accumulated Amortization of Intangible Assets [Line Items]
Gross Carrying Amount	$ 6,088	6,073
Accumulated Amortization	$ 4,497	$ 4,060
Average Life (Years)	12 years 6 months

GOODWILL AND OTHER INTANGIBLES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of Intangible Assets	$ 1,919	$ 1,898	$ 5,642	$ 5,643

INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
INCOME TAXES (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Tax Disclosure [Abstract]
Effective income tax rate reconciliation, provision (benefit) percent	(17.40%)	(35.40%)	(22.80%)	(30.00%)
Effective income tax rate reconciliation, change in enacted tax rate, amount	$ (2,193)	$ (775)	$ (5,122)	$ (3,324)
Effective income tax rate reconciliation, nondeductible provision (benefit) percent	36.40%	37.50%	37.50%	37.90%
Effective income tax rate reconciliation, excess tax benefit, amount				$ 2,193

LONG-TERM DEBT (Details) - Summary of Long-Term Debt - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Debt Instrument [Line Items]
Outstanding Balance	$ 1,010,453	$ 952,856
less: Current portion, Outstanding Balance	(16,656)	(22,644)
Long-term debt, Outstanding Balance	993,797	930,212
Original Issuer Discount	(1,244)	(2,695)
less: Current portion, Original Issuer Discount	0	0
Long-term debt, Original Issuer Discount	(1,244)	(2,695)
Capitalized Fees & Expenses	(11,833)	(13,603)
Balance Sheet	997,376	936,558
less: Current portion	(16,656)	(22,644)
Long-term debt	980,720	913,914
Senior notes due 2022 [Member]
Debt Instrument [Line Items]
Outstanding Balance	725,000	725,000
Original Issuer Discount	(1,244)	(1,447)
Capitalized Fees & Expenses	(8,586)	(9,799)
Balance Sheet	$ 715,170	$ 713,754
Coupon Interest Rate	5.25%	5.25%
Revolver due 2019 [Member]
Debt Instrument [Line Items]
Outstanding Balance	$ 163,748	$ 0
Original Issuer Discount	0	0
Capitalized Fees & Expenses	(2,040)	(2,425)
Balance Sheet	161,708	(2,425)
Convert. debt due 2017 [Member]
Debt Instrument [Line Items]
Outstanding Balance	0	100,000
Original Issuer Discount	0	(1,248)
Capitalized Fees & Expenses	0	(148)
Balance Sheet	0	$ 98,604
Coupon Interest Rate		4.00%
Real estate mortgages [Member]
Debt Instrument [Line Items]
Outstanding Balance	35,847	$ 37,861
Original Issuer Discount	0	0
Capitalized Fees & Expenses	(499)	(595)
Balance Sheet	35,348	37,266
ESOP Loans [Member]
Debt Instrument [Line Items]
Outstanding Balance	43,330	34,387
Original Issuer Discount	0	0
Capitalized Fees & Expenses	(316)	(237)
Balance Sheet	43,014	34,150
Capital lease - real estate [Member]
Debt Instrument [Line Items]
Outstanding Balance	5,600	6,447
Original Issuer Discount	0	0
Capitalized Fees & Expenses	(112)	(131)
Balance Sheet	$ 5,488	$ 6,316
Coupon Interest Rate	5.00%	5.00%
Non U.S. lines of credit [Member]
Debt Instrument [Line Items]
Outstanding Balance	$ 1,218	$ 11,462
Original Issuer Discount	0	0
Capitalized Fees & Expenses	(35)	(1)
Balance Sheet	1,183	11,461
Non U.S. term loans [Member]
Debt Instrument [Line Items]
Outstanding Balance	31,461	33,669
Original Issuer Discount	0	0
Capitalized Fees & Expenses	(224)	(247)
Balance Sheet	31,237	33,422
Other long term debt [Member]
Debt Instrument [Line Items]
Outstanding Balance	4,249	4,030
Original Issuer Discount	0	0
Capitalized Fees & Expenses	(21)	(20)
Balance Sheet	$ 4,228	$ 4,010

LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	$ 11,874	$ 11,153	$ 34,973	$ 32,183
Amort. Debt Discount	67	1,129	1,450	3,256
Amort. Deferred Cost & Other Fees	788	757	2,324	2,015
Total Interest Expense	$ 12,729	$ 13,039	$ 38,747	$ 37,454
Senior notes due 2022 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	5.60%	5.50%	5.60%	5.50%
Cash Interest	$ 9,516	$ 8,641	$ 28,547	$ 24,391
Amort. Debt Discount	67	36	202	36
Amort. Deferred Cost & Other Fees	462	383	1,396	1,028
Total Interest Expense	10,045	9,060	30,145	25,455
Revolver due 2019 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	1,629	660	3,280	2,185
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	140	137	422	374
Total Interest Expense	1,769	$ 797	$ 3,702	$ 2,559
Convert. debt due 2017 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate		9.10%	8.90%	9.00%
Cash Interest	0	$ 1,000	$ 1,167	$ 3,000
Amort. Debt Discount	0	1,093	1,248	3,220
Amort. Deferred Cost & Other Fees	0	111	148	333
Total Interest Expense	$ 0	$ 2,204	$ 2,563	$ 6,553
Real estate mortgages [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	2.60%	2.30%	2.40%	2.20%
Cash Interest	$ 234	$ 194	$ 650	$ 499
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	36	26	56	55
Total Interest Expense	$ 270	$ 220	$ 706	$ 554
ESOP Loans [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	4.00%	3.30%	4.10%	3.20%
Cash Interest	$ 414	$ 274	$ 1,147	$ 805
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	29	18	94	53
Total Interest Expense	$ 443	$ 292	$ 1,241	$ 858
Capital lease - real estate [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	5.40%	5.40%	5.40%	5.40%
Cash Interest	$ 72	$ 87	$ 227	$ 270
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	7	6	19	19
Total Interest Expense	79	93	246	289
Non U.S. lines of credit [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	113	367	309	723
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	75	23	85	69
Total Interest Expense	188	390	394	792
Non U.S. term loans [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	228	276	840	832
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	38	53	97	79
Total Interest Expense	266	329	937	911
Other long term debt [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	85	97	247	195
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	1	0	7	0
Total Interest Expense	86	97	254	195
Capitalized interest [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	417	443	1,441	717
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	0	0	0	5
Total Interest Expense	$ 417	$ 443	$ 1,441	$ 712

LONG-TERM DEBT (Details) $ / shares in Units, R$ in Thousands, $ in Thousands						1 Months Ended					3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2017 EUR (€)	Jan. 17, 2017 USD ($) shares	Oct. 01, 2016 USD ($)	Jul. 14, 2016 USD ($)	Mar. 22, 2016 USD ($)	Aug. 31, 2016 USD ($)	Jul. 31, 2016 USD ($)	Sep. 30, 2015 EUR (€) installment	Nov. 30, 2012 CAD ($)	Oct. 31, 2006 USD ($)	Jun. 30, 2017 USD ($) $ / shares shares	Mar. 31, 2017 USD ($) shares	Jun. 30, 2017 USD ($) $ / shares shares	Jun. 30, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2017 AUD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2017 BRL (R$)	Mar. 31, 2017 AUD ($)	Mar. 31, 2017 USD ($)	Jul. 31, 2016 AUD ($) loan	May 18, 2016 USD ($)	Mar. 31, 2016 USD ($)	Sep. 30, 2015 USD ($)	Feb. 27, 2014 USD ($)	Feb. 14, 2014 USD ($)	Oct. 21, 2013 property	Dec. 21, 2009 USD ($)
Debt Instrument [Line Items]
Face amount						$ 35,092,000																	$ 8,000,000	$ 32,280,000
Long-term debt outstanding															$ 936,558,000		$ 997,376,000
Underwriting fees and other expense capitalized															10,313,000
Maximum percentage of equity interest of subsidiaries borrowings guaranteed													65.00%
Line of credit facility, amount outstanding																	14,360,000
Issuance of treasury stock in settlement of convertible debt													$ 48,858,000
Number of properties refinanced \| property																											4
Debt instrument, description of variable rate basis								The revolving credit facility accrues interest at EURIBOR plus 1.75% per annum (1.75% at June 30, 2017).
Amount of line note available to purchase common stock in open market						$ 10,908,000
Stock issued during period, shares, employee stock ownership plan \| shares											72,963,000		621,875
Shares purchased for award value											$ 1,695,000		$ 10,908,000
ESOP, weighted average purchase price of shares purchased (in USD per share) \| $ / shares											$ 23.23		$ 17.54
Debt instrument, basis spread on variable rate									1.30%				1.30%
Proceeds from issuance of long-term debt													$ 211,097,000	$ 263,249,000
Capital lease maturity year										2022
Long-term debt, percentage bearing fixed interest, percentage rate										5.00%
Convert. debt due 2017 [Member]
Debt Instrument [Line Items]
Face amount																												$ 100,000,000
Debt instrument, interest rate, stated percentage																												4.00%
Term Loan [Member]
Debt Instrument [Line Items]
Debt instrument, frequency of periodic payment \| installment								12
LIBOR Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate during period					2.25%
Revolving Credit Facility [Member] \| Revolving Facility, June 2017 [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity																$ 20,000					$ 10,000,000
Revolver due 2019 [Member]
Debt Instrument [Line Items]
Line of credit facility, amount outstanding																	163,748,000
Line of credit facility, remaining borrowing capacity																	171,892,000
Revolver due 2019 [Member] \| Letter Of Credit Subfacility [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity					$ 50,000,000
Revolver due 2019 [Member] \| Multicurrency Subfacility [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity					$ 50,000,000
Revolver due 2019 [Member] \| Margin Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate during period					1.25%
Senior Notes [Member] \| Senior Notes 2022 [Member]
Debt Instrument [Line Items]
Long-term debt outstanding																						$ 725,000,000
Senior Notes [Member] \| Senior Notes due 2022, May 2016 Add-On Issuance [Member]
Debt Instrument [Line Items]
Face amount																						$ 125,000,000
Issuance price, percentage																						98.76%
Debt issuance cost																	3,016,000
Mortgages [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate											1.50%
Revolver Due 2020 [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity					$ 350,000,000
Convertible Notes 2017 [Member]
Debt Instrument [Line Items]
Debt conversion, converted instrument, amount		$ 173,855,000										$ 173,855,000
Debt conversion, converted instrument, cash received		125,000,000										$ 125,000,000
Issuance of treasury stock in settlement of convertible debt		$ 48,858,000
Debt conversion, converted instrument, shares issued \| shares		1,954,993										1,954,993
Debt instrument, interest rate, effective percentage		4.00%
Senior notes due 2022 [Member]
Debt Instrument [Line Items]
Face amount																									$ 600,000,000
Debt instrument, interest rate, stated percentage																									5.25%
Long-term debt outstanding															$ 713,754,000		$ 715,170,000
Debt conversion, original debt, amount				$ 125,000,000
Debt instrument, interest rate, effective percentage	5.25%														5.25%	5.25%	5.25%	5.25%
Real estate mortgages [Member]
Debt Instrument [Line Items]
Long-term debt outstanding															$ 37,266,000		$ 35,348,000
Debt instrument, description of variable rate basis													The loans bear interest at a rate of LIBOR plus 1.50%
Debt instrument, basis spread on variable rate													2.25%
ESOP Loans [Member]
Debt Instrument [Line Items]
Long-term debt outstanding															34,150,000		43,014,000
Debt instrument, basis spread on variable rate													2.50%
Debt instrument, periodic payment, principal			$ 569,000										$ 655,000
ESOP Loan July 2014 [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate													2.50%
Term Loan December 2013 and May 2014 [Member] \| Northcote Holdings Pty. Ltd [Member]
Debt Instrument [Line Items]
Line of credit facility, amount outstanding																	$ 24,330,000				31,750,000
Debt instrument, basis spread on variable rate							2.00%
Debt instrument, interest rate, effective percentage	3.76%															3.76%	3.76%	3.76%
Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt outstanding	€ 6,250,000																$ 7,131,000
Long-term debt, percentage bearing fixed interest, percentage rate																								2.50%
Proceeds from long-term lines of credit \| €								€ 15,000,000
Debt instrument, periodic payment \| €								1,250,000
Debt instrument, interest rate, effective percentage	3.85%															3.85%	3.85%	3.85%
Term Loan [Member] \| Northcote Holdings Pty. Ltd [Member]
Debt Instrument [Line Items]
Face amount																					$ 30,000,000
Number of lines \| loan																					2
Term Loan May 2014 [Member] \| Northcote Holdings Pty. Ltd [Member]
Debt Instrument [Line Items]
Face amount																					$ 10,000,000
Debt instrument, periodic payment, principal							$ 875,000
Line of credit facility, maximum borrowing capacity																			$ 5,000,000	$ 33,500,000
Medium-term Notes [Member] \| Term Loan Due 2019 [Member]
Debt Instrument [Line Items]
Number of loans refinanced with new debt instrument \| loan																					2
Debt instrument, periodic payment terms, balloon payment to be paid																					$ 24,750,000
Capital lease - real estate [Member]
Debt Instrument [Line Items]
Long-term debt outstanding															$ 6,316,000		$ 5,488,000
Proceeds from issuance of long-term debt										$ 14,290,000
Debt instrument, interest rate, effective percentage	5.00%														5.00%	5.00%	5.00%	5.00%
Revolver Due 2013 [Member]
Debt Instrument [Line Items]
Long-term debt outstanding																	$ 0
Debt instrument, basis spread on variable rate											1.75%		1.75%
Proceeds from long-term lines of credit \| €	€ 5,705,000							€ 5,000,000
Non U.S. term loans [Member]
Debt Instrument [Line Items]
Long-term debt outstanding															$ 33,422,000		31,237,000
Line of credit facility, amount outstanding																	1,218,000	R$ 4,029
Maintains maximum amount of line of credit																	$ 2,116,000	R$ 7,000
Non U.S. term loans [Member] \| Brazilian CDI [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end	15.00%															15.00%	15.00%	15.00%
Non U.S. lines of credit [Member]
Debt Instrument [Line Items]
Long-term debt outstanding															11,461,000		$ 1,183,000
Line of credit facility, amount outstanding																	$ 0
Proceeds from long-term lines of credit									$ 15,000				$ 11,517,000
Non U.S. lines of credit [Member] \| Line of Credit One [Member] \| Northcote Holdings Pty. Ltd [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate							2.00%
Debt instrument, interest rate, effective percentage	3.67%															3.67%	3.67%	3.67%
Non U.S. lines of credit [Member] \| LIBOR Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end	2.60%															2.60%	2.60%	2.60%
Non U.S. lines of credit [Member] \| Bankers Acceptance Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end	2.31%															2.31%	2.31%	2.31%
Revolver due 2019 [Member]
Debt Instrument [Line Items]
Long-term debt outstanding															$ (2,425,000)		$ 161,708,000
Line of credit facility, current borrowing capacity																										$ 250,000,000
Fair Value, Inputs, Level 1 [Member] \| Senior notes due 2022 [Member]
Debt Instrument [Line Items]
Convertible debt, fair value disclosures																	$ 742,255,000

SHAREHOLDERS' EQUITY (Details)					1 Months Ended	3 Months Ended				9 Months Ended		12 Months Ended	71 Months Ended
SHAREHOLDERS' EQUITY (Details)	Aug. 02, 2017 $ / shares	Jan. 17, 2017 USD ($) shares	Jul. 14, 2016 USD ($)	Dec. 10, 2013 USD ($) shares	Jan. 31, 2016 shares	Jun. 30, 2017 USD ($) $ / shares shares	Mar. 31, 2017 USD ($) senior_executive $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares	Jun. 30, 2016 USD ($) $ / shares	Jun. 30, 2017 USD ($) $ / shares shares	Jun. 30, 2016 USD ($) $ / shares	Sep. 30, 2016 $ / shares	Jun. 30, 2017 USD ($) $ / shares shares	Aug. 31, 2016 USD ($)	Mar. 31, 2016 USD ($)	Jan. 29, 2016 shares	Sep. 30, 2015 USD ($)	Jul. 29, 2015 USD ($)	Feb. 27, 2014 USD ($)	Dec. 21, 2009 USD ($)
SHAREHOLDERS' EQUITY (Details) [Line Items]
Common stock, dividends, per share, cash paid (in Dollars per share) \| $ / shares						$ 0.06			$ 0.05	$ 0.18	$ 0.15	$ 0.20
Share-based compensation arrangement by share-based payment award, description					Options granted under the Incentive Plan may be either “incentive stock options” or nonqualified stock options, generally expire ten years after the date of grant and are granted at an exercise price of not less than 100% of the fair market value at the date of grant.
Share-based compensation arrangement by share-based payment award, expiration period										10 years
Maximum percentage of exercise price at grand date fair value										100.00%
Stock-based compensation						$ 2,405,000			$ 2,877,000	$ 7,200,000	$ 8,432,000
Stock repurchase program, authorized amount				$ 50,000,000														$ 50,000,000
Stock Repurchased During Period, Shares \| shares				4,444,444		129,000							15,984,854
Stock repurchased during period, value						$ 2,201,000							$ 211,621,000
Stock repurchased during period per share (in Dollars per share) \| $ / shares						$ 17.06							$ 13.24
Stock repurchase program, remaining authorized repurchase amount						$ 49,437,000				$ 49,437,000			$ 49,437,000
Shares paid for tax withholding for share based compensation (in Shares) \| shares						1,591				584,069
Shares paid for tax withholding for share based compensation, value						$ 38,000				$ 13,595,000
Shares paid for tax withholding for share based compensation, value per share (in Dollars per share) \| $ / shares						$ 23.64				$ 23.28
Face amount														$ 35,092,000	$ 8,000,000		$ 32,280,000
Issuance of treasury stock in settlement of convertible debt										$ 48,858,000
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased \| shares				5,555,556,000
Incentive Plan [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Number of shares authorized for award (in Shares) \| shares																2,350,000
New shares issued (in Shares) \| shares					600,000
Incentive Stock Options [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Number of shares available for grant (in Shares) \| shares						1,093,816				1,093,816			1,093,816
2006 Equity Incentive Plan [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Share based compensation arrangement by share based payment award equity instruments other than options additional grants in future (in Shares) \| shares						0				0			0
Performance Shares [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Equity instruments other than options, grants in period (in Shares) \| shares								300,494
Award vesting period								3 years
Equity instruments other than options, vested in period, fair value								$ 6,055,000
Equity instruments other than options, grants in period, weighted average grant date fair value (in Dollars per share) \| $ / shares								$ 20.15
Restricted Stock and Performance Shares [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Equity instruments other than options, grants in period (in Shares) \| shares						0	528,000
Minimum [Member] \| Restricted Stock [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Award vesting period										3 years
Maximum [Member] \| Restricted Stock [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Award vesting period										4 years
Executive Officer [Member] \| Restricted Stock [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Number of Persons Granted Shares \| senior_executive							2
Award vesting period							4 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Post-Vesting Holding Period							2 years
Equity instruments other than options, vested in period, fair value							$ 8,500,000
Equity instruments other than options, grants in period, weighted average grant date fair value (in Dollars per share) \| $ / shares							$ 16.10
Executive Officer [Member] \| Minimum [Member] \| Restricted Stock [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period \| shares							384,000
Executive Officer [Member] \| Maximum [Member] \| Restricted Stock [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period \| shares							528,000
Convert. debt due 2017 [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Face amount																				$ 100,000,000
Debt instrument, interest rate, stated percentage																				4.00%
Senior Notes 2022 [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Face amount																			$ 600,000,000
Debt instrument, interest rate, stated percentage																			5.25%
Debt conversion, original debt, amount			$ 125,000,000
Convertible Notes 2017 [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Debt conversion, converted instrument, amount		$ 173,855,000					$ 173,855,000
Debt conversion, converted instrument, cash received		125,000,000					$ 125,000,000
Issuance of treasury stock in settlement of convertible debt		$ 48,858,000
Debt conversion, converted instrument, shares issued \| shares		1,954,993					1,954,993
Second Quarter [Member] \| Executive Officer [Member] \| Restricted Stock [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Equity instruments other than options, grants in period (in Shares) \| shares							40,700
Share-based Compensation Arrangement by Share-based Payment Award, Award Post-Vesting Holding Period							3 years
Equity instruments other than options, vested in period, fair value							$ 1,036,000
Equity instruments other than options, grants in period, weighted average grant date fair value (in Dollars per share) \| $ / shares							$ 25.45
Subsequent Event [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Dividends declared, amount per share (in Dollars per share) \| $ / shares	$ 0.06

EARNINGS PER SHARE (EPS) (Details) - Summary of Reconciliation of Share Amounts Used in Earnings Per Share - USD ($)			3 Months Ended			9 Months Ended
	Jan. 17, 2017	Jul. 14, 2016	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average shares outstanding - basic			41,683,000		40,558,000	40,765,000	41,318,000
Incremental shares from stock based compensation			1,572,000		1,876,000	1,683,000	2,047,000
Convertible debt matured 2017			0		846,000	486,000	878,000
Weighted average shares outstanding - diluted			43,255,000		43,280,000	42,934,000	44,243,000
Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive options excluded from diluted EPS computation			0		377,000	0	404,000
Senior notes due 2022 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Debt conversion, original debt, amount		$ 125,000,000
Convertible Notes 2017 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Debt conversion, converted instrument, amount	$ 173,855,000			$ 173,855,000
Debt conversion, converted instrument, cash received	$ 125,000,000			$ 125,000,000
Debt conversion, converted instrument, shares issued	1,954,993			1,954,993

BUSINESS SEGMENTS (Details) - Summary of Reconciliation of Segment Profit Before Taxes and Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Restructuring and other related charges	$ 0	$ 5,900	$ 0	$ 5,900
Home & Building Products:
Revenue	473,320	462,200	1,436,184	1,456,456
Segment operating profit:
Segment operating profit	25,217	24,577	74,662	71,954
Net interest expense	(12,712)	(12,960)	(38,701)	(37,320)
Unallocated amounts	(9,865)	(9,625)	(29,324)	(28,632)
Income before taxes	11,570	11,759	34,785	34,946
Segment adjusted EBITDA:
Segment adjusted EBITDA	53,229	57,795	158,837	158,316
Net interest expense	(12,712)	(12,960)	(38,701)	(37,320)
Consolidated depreciation and amortization	19,207	17,677	56,380	51,879
Unallocated amounts	(9,865)	(9,625)	(29,324)	(28,632)
Segment:
Capital expenditures	16,640	17,295	59,153	63,247
Ames True Temper Inc [Member]
Home & Building Products:
Revenue	136,132	122,198	419,763	406,335
Clopay Building Products [Member]
Home & Building Products:
Revenue	140,349	133,362	406,437	389,657
Home And Building Products [Member]
Home & Building Products:
Revenue	276,481	255,560	826,200	795,992
Segment operating profit:
Segment operating profit	23,708	23,201	64,661	62,170
Segment adjusted EBITDA:
Segment adjusted EBITDA	33,134	32,082	92,506	88,249
Consolidated depreciation and amortization	9,426	8,881	27,845	26,079
Segment:
Capital expenditures	5,800	9,148	16,213	37,263
Telephonics [Member]
Home & Building Products:
Revenue	81,633	91,767	267,998	306,678
Segment operating profit:
Segment operating profit	4,114	9,471	18,521	25,159
Segment adjusted EBITDA:
Segment adjusted EBITDA	6,784	12,125	26,679	32,913
Consolidated depreciation and amortization	2,670	2,654	8,158	7,754
Segment:
Capital expenditures	1,161	2,360	4,274	5,598
Plastics [Member]
Segment Reporting Information [Line Items]
Restructuring and other related charges		5,900
Home & Building Products:
Revenue	115,206	114,873	341,986	353,786
Segment operating profit:
Segment operating profit	6,325	1,672	19,628	13,569
Segment adjusted EBITDA:
Segment adjusted EBITDA	13,311	13,588	39,652	37,154
Consolidated depreciation and amortization	6,986	6,016	20,024	17,685
Segment:
Capital expenditures	9,678	5,648	36,764	19,008
Operating Segments [Member]
Segment operating profit:
Segment operating profit	34,147	34,344	102,810	100,898
Segment adjusted EBITDA:
Consolidated depreciation and amortization	19,082	17,551	56,027	51,518
Segment:
Capital expenditures	16,639	17,156	57,251	61,869
Corporate, Non-Segment [Member]
Segment adjusted EBITDA:
Consolidated depreciation and amortization	125	126	353	361
Segment:
Capital expenditures	$ 1	$ 139	$ 1,902	$ 1,378

BUSINESS SEGMENTS (Details) - Summary of Segment Assets - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Segment assets:
Continuing Assets	$ 1,799,690	$ 1,779,909
Assets of discontinued operations	4,793	2,187
Total Assets	1,804,483	1,782,096
Home And Building Products [Member]
Segment assets:
Continuing Assets	1,030,779	1,020,297
Telephonics [Member]
Segment assets:
Continuing Assets	315,791	334,631
Plastics [Member]
Segment assets:
Continuing Assets	362,003	365,920
Operating Segments [Member]
Segment assets:
Continuing Assets	1,708,573	1,720,848
Corporate, Non-Segment [Member]
Segment assets:
Continuing Assets	$ 91,117	$ 59,061

DEFINED BENEFIT PENSION EXPENSE (Details) - Summary of Defined Benefit Pension Expense - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Retirement Benefits [Abstract]
Interest cost	$ 1,402	$ 1,065	$ 4,206	$ 5,225
Expected return on plan assets	(2,735)	(2,489)	(8,207)	(8,321)
Amortization:
Prior service cost	4	3	12	11
Recognized actuarial loss	832	590	2,496	1,771
Net periodic expense (income)	$ (497)	$ (831)	$ (1,493)	$ (1,314)

RECENT ACCOUNTING PRONOUNCEMENTS RECENT ACCOUNTING PRONOUNCEMENTS (Details) $ in Thousands	9 Months Ended
	Jun. 30, 2016 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Effective income tax rate reconciliation, excess tax benefit, amount	$ 2,193
Accounting Standards Update 2016-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net Cash Provided by (Used in) Operating Activities	$ 2,291

DISCONTINUED OPERATIONS (Details) - Summary of Discontinued Operations - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Assets of discontinued operations:
Prepaid and other current assets	$ 479	$ 219
Other long-term assets	4,314	1,968
Total assets of discontinued operations	4,793	2,187
Liabilities of discontinued operations:
Accrued liabilities, current	1,107	1,684
Other long-term liabilities	4,321	1,706
Total liabilities of discontinued operations	$ 5,428	$ 3,390

DISCONTINUED OPERATIONS (Details) - USD ($)	9 Months Ended
DISCONTINUED OPERATIONS (Details) - USD ($)	Jun. 30, 2017	Jun. 30, 2016
Discontinued Operations and Disposal Groups [Abstract]
Installation Services revenue	$ 0	$ 0

RESTRUCTURING AND OTHER RELATED CHARGES (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($) position	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	$ 0	$ 5,900	$ 0	$ 5,900
Plastics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges		$ 5,900
Number of positions eliminated \| position		83
Restructuring Reserve [Roll Forward]
Restructuring Reserve			3,491
Payments for Restructuring			(2,494)
Restructuring Reserve	997		997
Plastics [Member] \| Workforce Reduction
Restructuring Reserve [Roll Forward]
Restructuring Reserve			2,487
Payments for Restructuring			(1,749)
Restructuring Reserve	738		738
Plastics [Member] \| Other Related Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve			1,004
Payments for Restructuring			(745)
Restructuring Reserve	$ 259		$ 259

OTHER EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
OTHER EXPENSE (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other Income and Expenses [Abstract]
Foreign currency transaction gain (loss), before tax	$ (849)	$ 192	$ (1,116)	$ 301
Investment income, net	$ 55	$ 58	$ 210	$ 260

WARRANTY LIABILITY (Details)	9 Months Ended
WARRANTY LIABILITY (Details)	Jun. 30, 2017
Telephonics [Member] \| Minimum [Member]
WARRANTY LIABILITY (Details) [Line Items]
Product Warranty Period	1 year
Telephonics [Member] \| Maximum [Member]
WARRANTY LIABILITY (Details) [Line Items]
Product Warranty Period	2 years
Ames True Temper Inc [Member]
WARRANTY LIABILITY (Details) [Line Items]
Product Warranty Period	90 days

WARRANTY LIABILITY (Details) - Summary of Changes in Warrant Liability Included in Accrued Liabilities - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]
Balance, beginning of period	$ 5,803	$ 6,469	$ 6,322	$ 6,040
Warranties issued and changes in estimated pre-existing warranties	803	1,496	3,310	4,504
Actual warranty costs incurred	(1,457)	(1,698)	(4,483)	(4,277)
Balance, end of period	$ 5,149	$ 6,267	$ 5,149	$ 6,267

OTHER COMPREHENSIVE INCOME (LOSS) (Details) - Summary of Other Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Pre-tax
Foreign currency translation adjustments	$ 6,414	$ 796	$ 1,344	$ 11,130
Pension and other defined benefit plans	836	593	2,508	1,782
Cash flow hedges	277	1,838	1,121	(1,967)
Total other comprehensive income (loss)	7,527	3,227	4,973	10,945
Tax
Pension and other defined benefit plans	(292)	(207)	(876)	(624)
Cash flow hedges	(79)	(551)	(320)	590
Total other comprehensive income (loss)	(371)	(758)	(1,196)	(34)
Net of tax
Foreign currency translation adjustments	6,414	796	1,344	11,130
Pension and other defined benefit plans	544	386	1,632	1,158
Cash flow hedges	198	1,287	801	(1,377)
Total other comprehensive income (loss), net of taxes	$ 7,156	$ 2,469	$ 3,777	$ 10,911

OTHER COMPREHENSIVE INCOME (LOSS)-AOCI (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Class of Stock [Line Items]
Accumulated other comprehensive income (loss)	$ (77,464)	$ (81,241)
Foreign currency translation adjustments [Member]
Class of Stock [Line Items]
Accumulated other comprehensive income (loss)	(41,550)	(42,894)
Pension and other defined benefit plans [Member]
Class of Stock [Line Items]
Accumulated other comprehensive income (loss)	(35,711)	(37,343)
Gain on cash flow hedge [Member]
Class of Stock [Line Items]
Accumulated other comprehensive income (loss)	$ (203)	$ (1,004)

OTHER COMPREHENSIVE INCOME (LOSS) (Details) - Summary of Amounts Reclassified from Accumulated Other Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Pension amortization	$ (836)	$ (593)	$ (2,508)	$ (1,782)
Cash flow hedges	(88)	(764)	(910)	324
Total gain (loss)	(924)	(1,357)	(3,418)	(1,458)
Tax benefit (expense)	(277)	(407)	(1,025)	(438)
Amounts reclassified from accumulated other comprehensive income (loss)	$ (647)	$ (950)	$ (2,393)	$ (1,020)

COMMITMENTS AND CONTINGENCIES (Details) - USD ($)	Jun. 30, 2017	Feb. 28, 2011	Apr. 30, 2009
Commitments and Contingencies Disclosure [Abstract]
Net capital cost value			$ 5,000,000
Obligation under consent order		$ 0
Net capital cost value in proposed remedial action plan		$ 10,000,000
Loss contingency claim asserted	$ 0

CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Details)	9 Months Ended
	Jun. 30, 2017
Consolidating Guarantor And Non Guarantor Financial Information [Abstract]
Noncontrolling interest, ownership percentage by parent	100.00%
Maximum percentage of segment adjusted EBITDA to business EBITDA	50.00%

CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Details) - Summary of Condensed Consolidating Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Sep. 30, 2015
CURRENT ASSETS
Cash and equivalents	$ 69,448	$ 72,553	$ 68,616	$ 68,616	$ 52,001
Accounts receivable, net of allowances	227,813	233,751
Contract costs and recognized income not yet billed, net of progress payments	119,367	126,961
Inventories, net	339,393	308,869
Prepaid and other current assets	43,622	38,605
Assets of discontinued operations	479	219
Total Current Assets	800,122	780,958
PROPERTY, PLANT AND EQUIPMENT, net	410,472	405,404
GOODWILL	361,405	361,185
INTANGIBLE ASSETS, net	210,060	210,599
INTERCOMPANY RECEIVABLE	0	0
EQUITY INVESTMENTS IN SUBSIDIARIES	0	0
OTHER ASSETS	18,110	21,982
ASSETS OF DISCONTINUED OPERATIONS	4,314	1,968
Total Assets	1,804,483	1,782,096
CURRENT LIABILITIES
Notes payable and current portion of long-term debt	16,656	22,644
Accounts payable and accrued liabilities	276,442	293,935
Liabilities of discontinued operations	1,107	1,684
Total Current Liabilities	294,205	318,263
LONG-TERM DEBT, net of debt discounts	980,720	913,914
INTERCOMPANY PAYABLES	0	0
OTHER LIABILITIES	131,149	137,266
LIABILITIES OF DISCONTINUED OPERATIONS	4,321	1,706
Total Liabilities	1,410,395	1,371,149
Total Shareholders’ Equity	394,088	410,947
Total Liabilities and Shareholders’ Equity	1,804,483	1,782,096
Parent Company [Member]
CURRENT ASSETS
Cash and equivalents	21,231	6,517		22,699	2,440
Accounts receivable, net of allowances	0	0
Contract costs and recognized income not yet billed, net of progress payments	0	0
Inventories, net	0	0
Prepaid and other current assets	14,014	39,763
Assets of discontinued operations	0	0
Total Current Assets	35,245	46,280
PROPERTY, PLANT AND EQUIPMENT, net	723	956
GOODWILL	0	0
INTANGIBLE ASSETS, net	0	0
INTERCOMPANY RECEIVABLE	555,769	539,938
EQUITY INVESTMENTS IN SUBSIDIARIES	848,559	824,887
OTHER ASSETS	8,568	6,529
ASSETS OF DISCONTINUED OPERATIONS	0	0
Total Assets	1,448,864	1,418,590
CURRENT LIABILITIES
Notes payable and current portion of long-term debt	2,895	3,153
Accounts payable and accrued liabilities	28,093	65,751
Liabilities of discontinued operations	0	0
Total Current Liabilities	30,988	68,904
LONG-TERM DEBT, net of debt discounts	924,307	848,589
INTERCOMPANY PAYABLES	75,225	57,648
OTHER LIABILITIES	24,256	32,502
LIABILITIES OF DISCONTINUED OPERATIONS	0	0
Total Liabilities	1,054,776	1,007,643
Total Shareholders’ Equity	394,088	410,947
Total Liabilities and Shareholders’ Equity	1,448,864	1,418,590
Guarantor Companies [Member]
CURRENT ASSETS
Cash and equivalents	11,550	27,692		8,691	10,671
Accounts receivable, net of allowances	192,813	175,583
Contract costs and recognized income not yet billed, net of progress payments	119,114	126,961
Inventories, net	269,815	239,325
Prepaid and other current assets	16,574	31,191
Assets of discontinued operations	0	0
Total Current Assets	609,866	600,752
PROPERTY, PLANT AND EQUIPMENT, net	300,922	303,735
GOODWILL	284,875	284,875
INTANGIBLE ASSETS, net	144,620	147,960
INTERCOMPANY RECEIVABLE	756,667	713,118
EQUITY INVESTMENTS IN SUBSIDIARIES	867,153	866,595
OTHER ASSETS	5,515	12,151
ASSETS OF DISCONTINUED OPERATIONS	0	0
Total Assets	2,969,618	2,929,186
CURRENT LIABILITIES
Notes payable and current portion of long-term debt	2,358	2,307
Accounts payable and accrued liabilities	192,756	202,657
Liabilities of discontinued operations	0	0
Total Current Liabilities	195,114	204,964
LONG-TERM DEBT, net of debt discounts	17,240	18,872
INTERCOMPANY PAYABLES	768,406	737,980
OTHER LIABILITIES	100,641	114,491
LIABILITIES OF DISCONTINUED OPERATIONS	0	0
Total Liabilities	1,081,401	1,076,307
Total Shareholders’ Equity	1,888,217	1,852,879
Total Liabilities and Shareholders’ Equity	2,969,618	2,929,186
Non-Guarantor Companies [Member]
CURRENT ASSETS
Cash and equivalents	36,667	38,344		37,226	38,890
Accounts receivable, net of allowances	54,839	63,810
Contract costs and recognized income not yet billed, net of progress payments	253	0
Inventories, net	69,502	69,544
Prepaid and other current assets	12,908	16,447
Assets of discontinued operations	479	219
Total Current Assets	174,648	188,364
PROPERTY, PLANT AND EQUIPMENT, net	108,827	100,713
GOODWILL	76,530	76,310
INTANGIBLE ASSETS, net	65,440	62,639
INTERCOMPANY RECEIVABLE	356,701	307,081
EQUITY INVESTMENTS IN SUBSIDIARIES	1,062,002	1,916,622
OTHER ASSETS	4,006	12,675
ASSETS OF DISCONTINUED OPERATIONS	4,314	1,968
Total Assets	1,852,468	2,666,372
CURRENT LIABILITIES
Notes payable and current portion of long-term debt	11,403	17,184
Accounts payable and accrued liabilities	69,231	65,213
Liabilities of discontinued operations	1,107	1,684
Total Current Liabilities	81,741	84,081
LONG-TERM DEBT, net of debt discounts	39,173	46,453
INTERCOMPANY PAYABLES	795,095	735,053
OTHER LIABILITIES	12,310	26,574
LIABILITIES OF DISCONTINUED OPERATIONS	4,321	1,706
Total Liabilities	932,640	893,867
Total Shareholders’ Equity	919,828	1,772,505
Total Liabilities and Shareholders’ Equity	1,852,468	2,666,372
Elimination [Member]
CURRENT ASSETS
Cash and equivalents	0	0		$ 0	$ 0
Accounts receivable, net of allowances	(19,839)	(5,642)
Contract costs and recognized income not yet billed, net of progress payments	0	0
Inventories, net	76	0
Prepaid and other current assets	126	(48,796)
Assets of discontinued operations	0	0
Total Current Assets	(19,637)	(54,438)
PROPERTY, PLANT AND EQUIPMENT, net	0	0
GOODWILL	0	0
INTANGIBLE ASSETS, net	0	0
INTERCOMPANY RECEIVABLE	(1,669,137)	(1,560,137)
EQUITY INVESTMENTS IN SUBSIDIARIES	(2,777,714)	(3,608,104)
OTHER ASSETS	21	(9,373)
ASSETS OF DISCONTINUED OPERATIONS	0	0
Total Assets	(4,466,467)	(5,232,052)
CURRENT LIABILITIES
Notes payable and current portion of long-term debt	0	0
Accounts payable and accrued liabilities	(13,638)	(39,686)
Liabilities of discontinued operations	0	0
Total Current Liabilities	(13,638)	(39,686)
LONG-TERM DEBT, net of debt discounts	0	0
INTERCOMPANY PAYABLES	(1,638,726)	(1,530,681)
OTHER LIABILITIES	(6,058)	(36,301)
LIABILITIES OF DISCONTINUED OPERATIONS	0	0
Total Liabilities	(1,658,422)	(1,606,668)
Total Shareholders’ Equity	(2,808,045)	(3,625,384)
Total Liabilities and Shareholders’ Equity	$ (4,466,467)	$ (5,232,052)

CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Details) - Summary of Condensed Consolidating Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Condensed Income Statements, Captions [Line Items]
Operating Expenses	$ 90,740	$ 94,780	$ 272,972	$ 277,665
Revenue	473,320	462,200	1,436,184	1,456,456
Cost of goods and services	357,363	342,843	1,088,550	1,106,837
Gross profit	115,957	119,357	347,634	349,619
Selling, general and administrative expenses	90,740	88,880	272,972	271,765
Restructuring and other related charges		5,900		5,900
Restructuring and other related charges	0	5,900	0	5,900
Income from operations	25,217	24,577	74,662	71,954
Other income (expense)
Interest income (expense), net	(12,712)	(12,960)	(38,701)	(37,320)
Other, net	(935)	142	(1,176)	312
Total other expense, net	(13,647)	(12,818)	(39,877)	(37,008)
Income before taxes	11,570	11,759	34,785	34,946
Provision (benefit) for income taxes	2,017	4,163	7,923	10,467
Income (loss) before equity in net income of subsidiaries	9,553	7,596	26,862	24,479
Equity in net income (loss) of subsidiaries	0	0	0	0
Net income	9,553	7,596	26,862	24,479
Foreign currency translation adjustments	6,414	796	1,344	11,130
Other comprehensive income (loss), net of taxes	7,156	2,469	3,777	10,911
Comprehensive income (loss), net	16,709	10,065	30,639	35,390
Parent Company [Member]
Condensed Income Statements, Captions [Line Items]
Operating Expenses		6,646		19,574
Revenue	0	0	0	0
Cost of goods and services	0	0	0	0
Gross profit	0	0	0	0
Selling, general and administrative expenses	7,038	6,646	20,759	19,574
Restructuring and other related charges		0		0
Income from operations	(7,038)	(6,646)	(20,759)	(19,574)
Other income (expense)
Interest income (expense), net	(3,267)	(3,347)	(10,616)	(8,299)
Other, net	55	67	216	278
Total other expense, net	(3,212)	(3,280)	(10,400)	(8,021)
Income before taxes	(10,250)	(9,926)	(31,159)	(27,595)
Provision (benefit) for income taxes	(6,080)	12,946	(16,643)	1,307
Income (loss) before equity in net income of subsidiaries	(4,170)	(22,872)	(14,516)	(28,902)
Equity in net income (loss) of subsidiaries	13,723	30,468	41,378	53,381
Net income	9,553	7,596	26,862	24,479
Other comprehensive income (loss), net of taxes	7,156	2,469	3,777	10,911
Comprehensive income (loss), net	16,709	10,065	30,639	35,390
Guarantor Companies [Member]
Condensed Income Statements, Captions [Line Items]
Operating Expenses		66,034		198,178
Revenue	376,143	369,235	1,132,641	1,165,484
Cost of goods and services	283,552	267,804	859,990	879,391
Gross profit	92,591	101,431	272,651	286,093
Selling, general and administrative expenses	65,146	64,735	194,377	196,879
Restructuring and other related charges		1,299		1,299
Income from operations	27,445	35,397	78,274	87,915
Other income (expense)
Interest income (expense), net	(8,248)	(7,656)	(24,539)	(23,197)
Other, net	572	714	2,131	2,634
Total other expense, net	(7,676)	(6,942)	(22,408)	(20,563)
Income before taxes	19,769	28,455	55,866	67,352
Provision (benefit) for income taxes	6,910	7,167	20,006	23,996
Income (loss) before equity in net income of subsidiaries	12,859	21,288	35,860	43,356
Equity in net income (loss) of subsidiaries	913	7,454	5,633	8,275
Net income	13,772	28,742	41,493	51,631
Other comprehensive income (loss), net of taxes	3,688	(2,652)	(4,219)	(451)
Comprehensive income (loss), net	17,460	26,090	37,274	51,180
Non-Guarantor Companies [Member]
Condensed Income Statements, Captions [Line Items]
Operating Expenses		22,192		60,190
Revenue	103,905	100,420	327,325	313,766
Cost of goods and services	81,082	82,914	253,406	251,303
Gross profit	22,823	17,506	73,919	62,463
Selling, general and administrative expenses	18,648	17,591	58,113	55,589
Restructuring and other related charges		4,601		4,601
Income from operations	4,175	(4,686)	15,806	2,273
Other income (expense)
Interest income (expense), net	(1,197)	(1,957)	(3,546)	(5,824)
Other, net	(927)	(127)	(2,182)	(1,260)
Total other expense, net	(2,124)	(2,084)	(5,728)	(7,084)
Income before taxes	2,051	(6,770)	10,078	(4,811)
Provision (benefit) for income taxes	1,187	(15,950)	4,560	(14,836)
Income (loss) before equity in net income of subsidiaries	864	9,180	5,518	10,025
Equity in net income (loss) of subsidiaries	12,859	21,288	35,860	43,356
Net income	13,723	30,468	41,378	53,381
Other comprehensive income (loss), net of taxes	9,992	4,920	15,346	11,161
Comprehensive income (loss), net	23,715	35,388	56,724	64,542
Elimination [Member]
Condensed Income Statements, Captions [Line Items]
Operating Expenses		(92)		(277)
Revenue	(6,728)	(7,455)	(23,782)	(22,794)
Cost of goods and services	(7,271)	(7,875)	(24,846)	(23,857)
Gross profit	543	420	1,064	1,063
Selling, general and administrative expenses	(92)	(92)	(277)	(277)
Restructuring and other related charges		0		0
Income from operations	635	512	1,341	1,340
Other income (expense)
Interest income (expense), net	0	0	0	0
Other, net	(635)	(512)	(1,341)	(1,340)
Total other expense, net	(635)	(512)	(1,341)	(1,340)
Income before taxes	0	0	0	0
Provision (benefit) for income taxes	0	0	0	0
Income (loss) before equity in net income of subsidiaries	0	0	0	0
Equity in net income (loss) of subsidiaries	(27,495)	(59,210)	(82,871)	(105,012)
Net income	(27,495)	(59,210)	(82,871)	(105,012)
Other comprehensive income (loss), net of taxes	(13,680)	(2,268)	(11,127)	(10,710)
Comprehensive income (loss), net	$ (41,175)	$ (61,478)	$ (93,998)	$ (115,722)

CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Details) - Summary of Condensed Consolidating Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 9,553	$ 7,596	$ 26,862	$ 24,479
Net cash provided by (used in) operating activities			65,485	59,747
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(16,640)	(17,295)	(59,153)	(63,247)
Acquired businesses, net of cash acquired			0	(2,726)
Acquired businesses, net of cash acquired			6,051	1,744
Investment sales			0	715
Proceeds from sale of assets			165	914
Net cash used in investing activities			(65,039)	(66,088)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of shares for treasury			(15,796)	(50,771)
Proceeds from long-term debt			211,097	263,249
Payments of long-term debt			(152,478)	(177,973)
Change in short-term borrowings			(940)	(45)
Share premium payment on settled debt			(24,997)	0
Financing costs			(363)	(4,135)
Purchase of ESOP shares			(10,908)	0
Dividends paid			(7,766)	(6,686)
Other, net			(112)	13
Net cash provided by (used in) financing activities			(2,263)	23,652
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in discontinued operations			(1,216)	(1,152)
Effect of exchange rate changes on cash and equivalents			(72)	456
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS			(3,105)	16,615
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD		68,616	72,553	52,001
CASH AND EQUIVALENTS AT END OF PERIOD	69,448	68,616	69,448	68,616
Parent Company [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	9,553	7,596	26,862	24,479
Net cash provided by (used in) operating activities			(18,837)	(13,428)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment			(12)	(221)
Acquired businesses, net of cash acquired				0
Acquired businesses, net of cash acquired			0	0
Investment sales				715
Proceeds from sale of assets			0	0
Net cash used in investing activities			(12)	494
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of shares for treasury			(15,796)	(50,771)
Proceeds from long-term debt			200,656	238,450
Payments of long-term debt			(128,365)	(143,785)
Change in short-term borrowings			0	0
Share premium payment on settled debt			(24,997)
Financing costs			(363)	(4,028)
Purchase of ESOP shares			(10,908)
Dividends paid			(7,766)	(6,686)
Other, net			21,102	13
Net cash provided by (used in) financing activities			33,563	33,193
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in discontinued operations			0	0
Effect of exchange rate changes on cash and equivalents			0	0
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS			14,714	20,259
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD		22,699	6,517	2,440
CASH AND EQUIVALENTS AT END OF PERIOD	21,231		21,231
Guarantor Companies [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	13,772	28,742	41,493	51,631
Net cash provided by (used in) operating activities			40,186	54,730
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment			(36,384)	(51,494)
Acquired businesses, net of cash acquired				(2,726)
Acquired businesses, net of cash acquired			0	0
Investment sales				0
Proceeds from sale of assets			157	757
Net cash used in investing activities			(36,227)	(53,463)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of shares for treasury			0	0
Proceeds from long-term debt			0	2,336
Payments of long-term debt			(1,613)	(1,599)
Change in short-term borrowings			0	0
Share premium payment on settled debt			0
Financing costs			0	0
Purchase of ESOP shares			0
Dividends paid			0	0
Other, net			(18,488)	(3,984)
Net cash provided by (used in) financing activities			(20,101)	(3,247)
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in discontinued operations			0	0
Effect of exchange rate changes on cash and equivalents			0	0
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS			(16,142)	(1,980)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD		8,691	27,692	10,671
CASH AND EQUIVALENTS AT END OF PERIOD	11,550		11,550
Non-Guarantor Companies [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	13,723	30,468	41,378	53,381
Net cash provided by (used in) operating activities			44,136	18,445
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment			(22,757)	(11,532)
Acquired businesses, net of cash acquired				0
Acquired businesses, net of cash acquired			6,051	1,744
Investment sales				0
Proceeds from sale of assets			8	157
Net cash used in investing activities			(28,800)	(13,119)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of shares for treasury			0	0
Proceeds from long-term debt			10,441	22,463
Payments of long-term debt			(22,500)	(32,589)
Change in short-term borrowings			(940)	(45)
Share premium payment on settled debt			0
Financing costs			0	(107)
Purchase of ESOP shares			0
Dividends paid			0	0
Other, net			(2,726)	3,984
Net cash provided by (used in) financing activities			(15,725)	(6,294)
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in discontinued operations			(1,216)	(1,152)
Effect of exchange rate changes on cash and equivalents			(72)	456
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS			(1,677)	(1,664)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD		37,226	38,344	38,890
CASH AND EQUIVALENTS AT END OF PERIOD	36,667		36,667
Elimination [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	(27,495)	(59,210)	(82,871)	(105,012)
Net cash provided by (used in) operating activities			0	0
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment			0	0
Acquired businesses, net of cash acquired				0
Acquired businesses, net of cash acquired			0	0
Investment sales				0
Proceeds from sale of assets			0	0
Net cash used in investing activities			0	0
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of shares for treasury			0	0
Proceeds from long-term debt			0	0
Payments of long-term debt			0	0
Change in short-term borrowings			0	0
Share premium payment on settled debt			0
Financing costs			0	0
Purchase of ESOP shares			0
Dividends paid			0	0
Other, net			0	0
Net cash provided by (used in) financing activities			0	0
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in discontinued operations			0	0
Effect of exchange rate changes on cash and equivalents			0	0
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS			0	0
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD		$ 0	0	$ 0
CASH AND EQUIVALENTS AT END OF PERIOD	$ 0		$ 0