Restructuring (Schedule of Restructuring Reserve Activity) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Restructuring Reserve
Restructuring accrual at beginning of period			$ 1,168
Charged to expense	$ (1,549)	$ 0	22,509	$ 0
Foreign currency translation			(206)
Restructuring accrual at end of period	8,022		8,022
2018 Plan
Restructuring Reserve
Charged to expense			32,236
Non-cash charges			(24,246)
Cash payments			(354)
Restructuring accrual at end of period	7,430		7,430
2016 Plan
Restructuring Reserve
Cash payments			(576)
Restructuring accrual at end of period	592		592
Aircraft Controls
Restructuring Reserve
Restructuring accrual at beginning of period			130
Foreign currency translation			0
Restructuring accrual at end of period	0		0
Aircraft Controls | 2018 Plan
Restructuring Reserve
Charged to expense			0
Non-cash charges			0
Cash payments			0
Aircraft Controls | 2016 Plan
Restructuring Reserve
Cash payments			(130)
Industrial Systems
Restructuring Reserve
Restructuring accrual at beginning of period			0
Foreign currency translation			(206)
Restructuring accrual at end of period	7,430		7,430
Industrial Systems | 2018 Plan
Restructuring Reserve
Charged to expense			32,236
Non-cash charges			(24,246)
Cash payments			(354)
Industrial Systems | 2016 Plan
Restructuring Reserve
Cash payments			0
Corporate
Restructuring Reserve
Restructuring accrual at beginning of period			1,038
Foreign currency translation			0
Restructuring accrual at end of period	$ 592		592
Corporate | 2018 Plan
Restructuring Reserve
Charged to expense			0
Non-cash charges			0
Cash payments			0
Corporate | 2016 Plan
Restructuring Reserve
Cash payments			$ (446)