Employee Benefit Plans (Schedule of Defined Contribution Plan Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
U.S. Plans
Defined Contribution Plan Disclosure [Line Items]
Total pension expense for defined contribution plans	$ 19,848	$ 16,568	$ 15,036
Non-U.S. Plans
Defined Contribution Plan Disclosure [Line Items]
Total pension expense for defined contribution plans	5,270	4,821	4,878
Pension Plan
Defined Contribution Plan Disclosure [Line Items]
Total pension expense for defined contribution plans	$ 25,118	$ 21,389	$ 19,914