Restructuring (Restructuring Activity) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Restructuring Reserve [Roll Forward]
Balance at beginning of period	$ 14,546	$ 11,389	$ 7,129
Charged to expense	15,393	15,449	12,913
Adjustment to provision	(851)	(716)
Foreign currency translation	73	(94)	(117)
Balance at end of period	7,846	14,546	11,389
Employee severence and other restructuring
Restructuring Reserve [Roll Forward]
Charged to expense	15,393	15,449	12,913
2013 Plan
Restructuring Reserve [Roll Forward]
Cash payments		(490)	(6,501)
2014 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(848)	(8,833)
Non-cash charges			(2,035)
Balance at end of period	605
2015 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(11,119)	(1,687)
Non-cash charges		(472)
Balance at end of period	457
2016 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(4,435)
Non-cash charges	(4,913)
Balance at end of period	6,784
Aircraft Controls
Restructuring Reserve [Roll Forward]
Balance at beginning of period	3,047	5,439	36
Adjustment to provision	(275)	(407)
Foreign currency translation	(44)	(27)	(2)
Balance at end of period	1,474	3,047	5,439
Aircraft Controls | Employee Severance
Restructuring Reserve [Roll Forward]
Charged to expense		2,955	5,440
Aircraft Controls | Employee severence and other restructuring
Restructuring Reserve [Roll Forward]
Charged to expense	7,317
Aircraft Controls | 2013 Plan
Restructuring Reserve [Roll Forward]
Cash payments		0	(35)
Aircraft Controls | 2014 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(72)	(4,833)
Non-cash charges			0
Aircraft Controls | 2015 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(2,342)	(80)
Non-cash charges		0
Aircraft Controls | 2016 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(1,244)
Non-cash charges	(4,913)
Space And Defense Controls
Restructuring Reserve [Roll Forward]
Balance at beginning of period	7,237	5,764	4,376
Adjustment to provision	(328)	(309)
Foreign currency translation	(13)	(63)	(36)
Balance at end of period	665	7,237	5,764
Space And Defense Controls | Employee Severance
Restructuring Reserve [Roll Forward]
Charged to expense	0	6,324	5,438
Space And Defense Controls | 2013 Plan
Restructuring Reserve [Roll Forward]
Cash payments		(490)	(4,014)
Space And Defense Controls | 2014 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(776)	(3,822)
Non-cash charges			0
Space And Defense Controls | 2015 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(5,455)	(167)
Non-cash charges		0
Space And Defense Controls | 2016 Plan
Restructuring Reserve [Roll Forward]
Cash payments	0
Non-cash charges	0
Industrial Systems
Restructuring Reserve [Roll Forward]
Balance at beginning of period	4,003	186	2,717
Adjustment to provision	(243)	0
Foreign currency translation	130	(4)	(79)
Balance at end of period	3,611	4,003	186
Industrial Systems | Employee Severance
Restructuring Reserve [Roll Forward]
Charged to expense	4,824
Industrial Systems | Employee severence and other restructuring
Restructuring Reserve [Roll Forward]
Charged to expense		5,150
Industrial Systems | Other Restructuring | Finite-Lived Intangible Assets
Restructuring Reserve [Roll Forward]
Charged to expense			739
Industrial Systems | 2013 Plan
Restructuring Reserve [Roll Forward]
Cash payments		0	(2,452)
Industrial Systems | 2014 Plan
Restructuring Reserve [Roll Forward]
Cash payments	0	(178)
Non-cash charges			(739)
Industrial Systems | 2015 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(3,088)	(679)
Non-cash charges		(472)
Industrial Systems | 2016 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(2,015)
Non-cash charges	0
Components
Restructuring Reserve [Roll Forward]
Balance at beginning of period	259	0	0
Adjustment to provision	(5)	0
Foreign currency translation	0	0	0
Balance at end of period	369	259	0
Components | Employee Severance
Restructuring Reserve [Roll Forward]
Charged to expense	1,525	1,020
Components | Other Restructuring | Property, Plant and Equipment
Restructuring Reserve [Roll Forward]
Charged to expense			1,296
Components | 2013 Plan
Restructuring Reserve [Roll Forward]
Cash payments		0	0
Components | 2014 Plan
Restructuring Reserve [Roll Forward]
Cash payments	0	0
Non-cash charges			(1,296)
Components | 2015 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(234)	(761)
Non-cash charges		0
Components | 2016 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(1,176)
Non-cash charges	0
Corporate, Non-Segment
Restructuring Reserve [Roll Forward]
Balance at beginning of period	0	0	0
Charged to expense			0
Adjustment to provision	0	0
Foreign currency translation	0	0	0
Balance at end of period	1,727	0	0
Corporate, Non-Segment | Employee Severance
Restructuring Reserve [Roll Forward]
Charged to expense	1,727	0
Corporate, Non-Segment | 2013 Plan
Restructuring Reserve [Roll Forward]
Cash payments		0	0
Corporate, Non-Segment | 2014 Plan
Restructuring Reserve [Roll Forward]
Cash payments	0	0
Non-cash charges			$ 0
Corporate, Non-Segment | 2015 Plan
Restructuring Reserve [Roll Forward]
Cash payments	0	0
Non-cash charges		$ 0
Corporate, Non-Segment | 2016 Plan
Restructuring Reserve [Roll Forward]
Cash payments	0
Non-cash charges	$ 0