Intangible Assets, Net (Tables)

6 Months Ended

Mar. 31, 2020

Intangible Assets, Net [Abstract]

Schedule of Finite-lived and Indefinite-lived Intangible Assets by Major Class

	March 31, 2020						September 30, 2019
	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount		Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Intangible assets with finite lives:
Customer relationships and contracts:
Aerospace	$	281,683	$	(189,258)	$	92,425	$	281,683	$	(181,995)	$	99,688
Industrial		406,087		(47,589)		358,498		407,683		(43,986)		363,697
Total	$	687,770	$	(236,847)	$	450,923	$	689,366	$	(225,981)	$	463,385
Intellectual property:
Aerospace	$	-	$	-	$	-	$	-	$	-	$	-
Industrial		15,703		(15,513)		190		19,201		(18,705)		496
Total	$	15,703	$	(15,513)	$	190	$	19,201	$	(18,705)	$	496
Process technology:
Aerospace	$	76,371	$	(61,933)	$	14,438	$	76,371	$	(59,913)	$	16,458
Industrial		86,537		(19,996)		66,541		92,820		(24,926)		67,894
Total	$	162,908	$	(81,929)	$	80,979	$	169,191	$	(84,839)	$	84,352
Backlog:
Aerospace	$	-	$	-	$	-	$	-	$	-	$	-
Industrial		40,860		(40,860)		-		40,500		(40,500)		-
Total	$	40,860	$	(40,860)	$	-	$	40,500	$	(40,500)	$	-
Other intangibles:
Aerospace	$	-	$	-	$	-	$	-	$	-	$	-
Industrial		205		(141)		64		1,541		(1,249)		292
Total	$	205	$	(141)	$	64	$	1,541	$	(1,249)	$	292
Intangible asset with indefinite life:
Tradename:
Aerospace	$	-	$	-	$	-	$	-	$	-	$	-
Industrial		64,034		-		64,034		63,467		-		63,467
Total	$	64,034	$	-	$	64,034	$	63,467	$	-	$	63,467
Total intangibles:
Aerospace	$	358,054	$	(251,191)	$	106,863	$	358,054	$	(241,908)	$	116,146
Industrial		613,426		(124,099)		489,327		625,212		(129,366)		495,846
Consolidated Total	$	971,480	$	(375,290)	$	596,190	$	983,266	$	(371,274)	$	611,992

Schedule of Finite-Lived Intangible Assets Amortization Expense

	Three-Months Ended				Six-Months Ended
	March 31,				March 31,
	2020		2019		2020		2019
Amortization expense	$	9,848	$	16,693	$	19,753	$	34,165

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Year Ending September 30:
2020 (remaining)	$	19,284
2021		40,133
2022		38,025
2023		36,974
2024		33,197
Thereafter		364,543
	$	532,156