Employee Benefit Plans (Defined Contribution Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Defined Contribution Pension Plans
Defined Contribution Plan Disclosure
Pension expense for defined contribution plans	$ 6,800	$ 5,810
U.S. Plans
Defined Contribution Plan Disclosure
Pension expense for defined contribution plans	5,398	4,614
Non-U.S. Plans
Defined Contribution Plan Disclosure
Pension expense for defined contribution plans	$ 1,402	$ 1,196