Other Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Component of Other Income (Expense), Nonoperating [Line Items]
Other - net	$ (730)	$ 564	$ 10,871	$ (1,896)
Foreign exchange gain (loss)
Component of Other Income (Expense), Nonoperating [Line Items]
Foreign exchange gain (loss)	(2,439)	(1,261)	7,928	(2,781)
Gain on deferred compensation investments, net
Component of Other Income (Expense), Nonoperating [Line Items]
Gain on deferred compensation investments, net	1,136	1,796	2,831	795
Other
Component of Other Income (Expense), Nonoperating [Line Items]
Other	$ 573	$ 29	$ 112	$ 90