Goodwill and Intangible Assets (Tables)

9 Months Ended

Jun. 27, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carry Amount of Goodwill

The changes in the carrying amount of goodwill are as follows:

	Aircraft Controls		Space and Defense Controls		Industrial Systems			Total
Balance at September 28, 2019	$	176,939	$	261,684	$	345,617		$	784,240
Acquisitions	—		—		25,237			25,237
Divestitures	—		—		(635		)	(635		)
Foreign currency translation	185		3		2,821			3,009
Balance at June 27, 2020	$	177,124	$	261,687	$	373,040		$	811,851

Components of Intangible Assets

The components of intangible assets are as follows:

		June 27, 2020					September 28, 2019
	Weighted- Average Life (years)	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Customer-related	11	$	142,372	$	(101,476	)	$	132,697	$	(100,091	)
Technology-related	9	77,628		(53,433		)	69,220		(52,192		)
Program-related	23	37,743		(16,354		)	62,015		(35,680		)
Marketing-related	8	25,218		(20,591		)	23,139		(19,899		)
Other	10	4,134		(3,873		)	4,061		(3,624		)
Intangible assets	12	$	287,095	$	(195,727	)	$	291,132	$	(211,486	)

Finite-lived Intangible Assets Amortization Expense

Amortization of acquired intangible assets is as follows:

	Three Months Ended				Nine Months Ended
	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Acquired intangible asset amortization	$	3,109	$	3,088	$	9,662	$	10,173

Estimated Future Amortization of Acquired Intangible Assets

Based on acquired intangible assets recorded at June 27, 2020, amortization is estimated to be approximately:

	2020		2021		2022		2023		2024
Estimated future amortization of acquired intangible assets	$	11,200	$	11,400	$	10,800	$	9,900	$	9,500