Employee Benefit Plans (Schedule of Defined Contribution Plan Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Oct. 01, 2016
U.S. Plans
Defined Contribution Plan Disclosure [Line Items]
Total pension expense for defined contribution plans	$ 16,568	$ 15,036	$ 14,128
Non-U.S. Plans
Defined Contribution Plan Disclosure [Line Items]
Total pension expense for defined contribution plans	4,821	4,878	4,782
Pension Plan
Defined Contribution Plan Disclosure [Line Items]
Total pension expense for defined contribution plans	$ 21,389	$ 19,914	$ 18,910