REPORTABLE SEGMENTS (Tables)

12 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Information on Griffon’s reportable segments from continuing operations is as follows:

	For the Years Ended September 30,
REVENUE	2018		2017		2016
Home & Building Products:
AMES	$	953,612	$	545,269	$	513,973
CBP	697,969		568,001		527,370
Home & Building Products	1,651,581		1,113,270		1,041,343
Defense Electronics	326,337		$	411,727	$	435,692
Total consolidated net sales	$	1,977,918	$	1,524,997	$	1,477,035

	For the Years Ended September 30,
INCOME BEFORE TAXES FROM CONTINUING OPERATIONS	2018			2017			2016
Segment operating profit:
Home & Building Products	$	130,487		$	89,495		$	79,682
Defense Electronics	25,262			29,943			42,801
Segment operating profit from continuing operations	155,749			119,438			122,483
Net interest expense	(63,871		)	(51,449		)	(49,877		)
Unallocated amounts	(45,812		)	(42,398		)	(40,393		)
Acquisition costs	(5,217		)	(8,893		)	—
Special dividend charges	(3,220		)	—			—
Cost of life insurance benefit	(2,614		)	—			—
Secondary equity offering costs	(1,205		)	—			—
Income before taxes from continuing operations	$	33,810		$	16,698		$	32,213

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

	For the Years Ended September 30,
	2018			2017			2016
Segment adjusted EBITDA:
Home & Building Products	$	177,400		$	126,766		$	114,949
Defense Electronics	36,063			45,931			53,385
Total Segment adjusted EBITDA from continuing operations	213,463			172,697			168,334
Net interest expense	(63,871		)	(51,449		)	(49,877		)
Segment depreciation and amortization	(55,334		)	(47,398		)	(45,851		)
Unallocated amounts	(45,812		)	(42,398		)	(40,393		)
Acquisition costs	(7,597		)	(9,617		)	—
Special dividend charges	(3,220		)	—			—
Cost of life insurance benefit	(2,614		)	—			—
Secondary equity offering costs	(1,205		)	—			—
Contract settlement charges	—			(5,137		)	—
Income before taxes from continuing operations	$	33,810		$	16,698		$	32,213

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

	For the Years Ended September 30,
DEPRECIATION and AMORTIZATION	2018		2017		2016
Segment:
Home & Building Products	$	44,533	$	36,547	$	35,267
Defense Electronics	10,801		10,851		10,584
Total segment depreciation and amortization	55,334		47,398		45,851
Corporate	469		480		491
Total consolidated depreciation and amortization	$	55,803	$	47,878	$	46,342
CAPITAL EXPENDITURES
Segment:
Home & Building Products	$	36,587	$	24,476	$	49,351
Defense Electronics	10,941		8,204		9,007
Total segment	47,528		32,680		58,358
Corporate	2,610		2,257		918
Total consolidated capital expenditures	$	50,138	$	34,937	$	59,276

ASSETS	At September 30, 2018		At September 30, 2017		At September 30, 2016
Segment assets:
Home & Building Products	$	1,631,631	$	1,084,103	$	1,020,297
Defense Electronics	346,907		343,445		334,631
Total segment assets	1,978,538		1,427,548		1,354,928
Corporate	103,112		71,980		62,257
Total continuing assets	2,081,650		1,499,528		1,417,185
Assets of discontinued operations	3,240		374,013		364,911
Consolidated total	$	2,084,890	$	1,873,541	$	1,782,096

Schedule Of Segment Information By Geographic Region

Segment information by geographic region was as follows:

	For the Years Ended September 30,
REVENUE BY GEOGRAPHIC AREA - DESTINATION	2018		2017		2016
United States	$	1,521,187	$	1,164,958	$	1,149,448
Europe	102,814		67,048		68,604
Canada	123,341		106,080		102,333
Australia	166,980		124,757		106,780
All other countries	63,596		62,154		49,870
Consolidated revenue	$	1,977,918	$	1,524,997	$	1,477,035
	For the Years Ended September 30,
LONG-LIVED ASSETS BY GEOGRAPHIC AREA	2018		2017		2016
United States	$	612,294	$	358,795	$	370,332
Canada	33,884		36,383		35,984
Australia	33,288		35,917		26,196
United Kingdom	24,892		4,144		—
Mexico	7,017		—		—
All other countries	1,976		2,023		2,342
Consolidated long-lived assets, net	$	713,351	$	437,262	$	434,854