Intangible Assets, Net (Tables)

12 Months Ended

Sep. 30, 2017

Intangible Assets, Net

Schedule of Finite-Lived Intangible Assets by Major Class

	September 30, 2017						September 30, 2016
	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount		Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Customer relationships and contracts:
Aerospace	$	282,225	$	(151,155)	$	131,070	$	282,225	$	(134,158)	$	148,067
Industrial		40,962		(34,407)		6,555		40,969		(33,509)		7,460
Total	$	323,187	$	(185,562)	$	137,625	$	323,194	$	(167,667)	$	155,527
Intellectual property:
Aerospace	$	-	$	-	$	-	$	-	$	-	$	-
Industrial		19,422		(18,196)		1,226		19,435		(17,876)		1,559
Total	$	19,422	$	(18,196)	$	1,226	$	19,435	$	(17,876)	$	1,559
Process technology:
Aerospace	$	76,605	$	(49,124)	$	27,481	$	76,605	$	(43,229)	$	33,376
Industrial		22,950		(17,756)		5,194		22,965		(16,200)		6,765
Total	$	99,555	$	(66,880)	$	32,675	$	99,570	$	(59,429)	$	40,141
Other intangibles:
Aerospace	$	-	$	-	$	-	$	-	$	-	$	-
Industrial		1,312		(956)		356		1,246		(823)		423
Total	$	1,312	$	(956)	$	356	$	1,246	$	(823)	$	423
Total intangibles:
Aerospace	$	358,830	$	(200,279)	$	158,551	$	358,830	$	(177,387)	$	181,443
Industrial		84,646		(71,315)		13,331		84,615		(68,408)		16,207
Consolidated Total	$	443,476	$	(271,594)	$	171,882	$	443,445	$	(245,795)	$	197,650

Schedule of Finite-Lived Intangible Assets Amortization Expense

	Year Ended September 30,
	2017		2016		2015
Amortization expense	$	25,777	$	27,486	$	29,241

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Year Ending September 30:
2018	$	24,995
2019		23,159
2020		20,372
2021		18,404
2022		16,249
Thereafter		68,703
	$	171,882