Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 30, 2017

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 30, 2017	$	181,375	$	259,951	$	332,942	$	774,268
Foreign currency translation	430		111		1,347		1,888
Balance at December 30, 2017	$	181,805	$	260,062	$	334,289	$	776,156

Components of Intangible Assets

The components of intangible assets are as follows:

		December 30, 2017					September 30, 2017
	Weighted- Average Life (years)	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Customer-related	11	$	177,239	$	(131,433	)	$	175,872	$	(128,019	)
Technology-related	9	72,215		(56,018		)	71,924		(55,069		)
Program-related	19	66,889		(31,876		)	66,458		(30,675		)
Marketing-related	9	26,659		(19,727		)	26,552		(19,251		)
Other	10	4,445		(3,479		)	4,379		(3,353		)
Intangible assets	12	$	347,447	$	(242,533	)	$	345,185	$	(236,367	)