Employee Benefit Plans (Defined Contribution Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Defined Contribution Pension Plans
Defined Contribution Plan Disclosure
Pension expense for defined contribution plans	$ 8,874	$ 6,769	$ 24,268	$ 18,632
U.S. Plans
Defined Contribution Plan Disclosure
Pension expense for defined contribution plans	7,353	5,468	19,957	14,795
Non-U.S. Plans
Defined Contribution Plan Disclosure
Pension expense for defined contribution plans	$ 1,521	$ 1,301	$ 4,311	$ 3,837