Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carry Amount of Goodwill

	Aircraft Controls			Space and Defense Controls			Industrial Systems			Components			Total
Balance at October 1, 2016	$	179,694		$	174,514		$	106,318		$	279,636		$	740,162
Divestiture and held for sale	—			(1,012		)	—			—			(1,012		)
Foreign currency translation	(2,618		)	(510		)	(3,934		)	(1,817		)	(8,879		)
Balance at December 31, 2016	$	177,076		$	172,992		$	102,384		$	277,819		$	730,271

Components of Intangible Assets

		December 31, 2016					October 1, 2016
	Weighted- Average Life (years)	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Customer-related	11	$	160,092	$	(115,978	)	$	165,445	$	(117,434	)
Technology-related	9	68,014		(51,380		)	70,277		(52,060		)
Program-related	19	62,152		(25,754		)	64,774		(26,018		)
Marketing-related	9	24,462		(17,725		)	25,031		(17,649		)
Other	10	3,977		(2,920		)	4,269		(3,075		)
Intangible assets	12	$	318,697	$	(213,757	)	$	329,796	$	(216,236	)