Restructuring (Restructuring Activity) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Restructuring Reserve [Roll Forward]
Balance at beginning of period	$ 10,342	$ 4,123	$ 8,113
Charged to expense	0	10,700	0
Adjustment to provision	(1,168)	(893)	284
Foreign currency translation	49	249	(423)
Balance at end of period	5,665	10,342	4,123
2016 Plan
Restructuring Reserve [Roll Forward]
Cash payments			(446)
2018 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(524)	(731)	(3,405)
Balance at end of period	2,028
2020 Plan
Restructuring Reserve [Roll Forward]
Charged to expense		10,700
Non-cash charges		(234)
Cash payments	(3,034)	(2,872)
Balance at end of period	3,637
Aircraft Controls
Restructuring Reserve [Roll Forward]
Balance at beginning of period	1,247	0	626
Adjustment to provision	(457)	0	13
Foreign currency translation	0	0	(7)
Balance at end of period	179	1,247	0
Aircraft Controls | 2016 Plan
Restructuring Reserve [Roll Forward]
Cash payments			0
Aircraft Controls | 2018 Plan
Restructuring Reserve [Roll Forward]
Cash payments	0	0	(632)
Aircraft Controls | 2020 Plan
Restructuring Reserve [Roll Forward]
Charged to expense		3,340
Non-cash charges		(234)
Cash payments	(611)	(1,859)
Space and Defense Controls
Restructuring Reserve [Roll Forward]
Balance at beginning of period	0	27	64
Adjustment to provision	0	(1)	(21)
Foreign currency translation	0	0	0
Balance at end of period	0	0	27
Space and Defense Controls | 2016 Plan
Restructuring Reserve [Roll Forward]
Cash payments			0
Space and Defense Controls | 2018 Plan
Restructuring Reserve [Roll Forward]
Cash payments	0	(26)	(16)
Space and Defense Controls | 2020 Plan
Restructuring Reserve [Roll Forward]
Charged to expense		185
Non-cash charges		0
Cash payments	0	(185)
Industrial Systems
Restructuring Reserve [Roll Forward]
Balance at beginning of period	9,095	4,096	6,994
Adjustment to provision	(711)	(892)	275
Foreign currency translation	49	249	(416)
Balance at end of period	5,486	9,095	4,096
Industrial Systems | 2016 Plan
Restructuring Reserve [Roll Forward]
Cash payments			0
Industrial Systems | 2018 Plan
Restructuring Reserve [Roll Forward]
Cash payments	(524)	(705)	(2,757)
Industrial Systems | 2020 Plan
Restructuring Reserve [Roll Forward]
Charged to expense		7,175
Non-cash charges		0
Cash payments	(2,423)	(828)
Corporate
Restructuring Reserve [Roll Forward]
Balance at beginning of period	0	0	429
Adjustment to provision	0	0	17
Foreign currency translation	0	0	0
Balance at end of period	0	0	0
Corporate | 2016 Plan
Restructuring Reserve [Roll Forward]
Cash payments			(446)
Corporate | 2018 Plan
Restructuring Reserve [Roll Forward]
Cash payments	0	0	$ 0
Corporate | 2020 Plan
Restructuring Reserve [Roll Forward]
Charged to expense		0
Non-cash charges		0
Cash payments	$ 0	$ 0