Employee Benefit Plans Employee Benefit Plans (Defined Contribution Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Defined Contribution Plan Disclosure
Defined contribution plan expense	$ 5,030	$ 5,079
U.S.
Defined Contribution Plan Disclosure
Defined contribution plan expense	3,670	3,441
Non-U.S.
Defined Contribution Plan Disclosure
Defined contribution plan expense	$ 1,360	$ 1,638