Employee Benefit Plans (Defined Contribution Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Defined Contribution Pension Plans
Defined Contribution Plan Disclosure
Defined contribution plan expense	$ 5,834	$ 5,460	$ 17,201	$ 15,548
U.S. Plans
Defined Contribution Plan Disclosure
Defined contribution plan expense	4,374	3,926	12,482	11,182
Non-U.S. Plans
Defined Contribution Plan Disclosure
Defined contribution plan expense	$ 1,460	$ 1,534	$ 4,719	$ 4,366