Employee Benefit Plans (Defined Contribution Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
U.S.
Defined Contribution Plan Disclosure
Defined contribution plan expense	$ 3,926	$ 3,832	$ 11,182	$ 10,632
Non-U.S.
Defined Contribution Plan Disclosure
Defined contribution plan expense	1,534	1,496	4,366	4,605
Defined Contribution Pension Plans
Defined Contribution Plan Disclosure
Defined contribution plan expense	$ 5,460	$ 5,328	$ 15,548	$ 15,237