Other Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 03, 2021	Apr. 04, 2020	Apr. 03, 2021	Apr. 04, 2020
Component of Other Income (Expense), Nonoperating [Line Items]
Other—net	$ 1,876	$ (1,610)	$ 3,902	$ (817)
Foreign exchange loss
Component of Other Income (Expense), Nonoperating [Line Items]
Foreign exchange loss	(638)	(659)	(1,632)	(1,693)
Gain (loss) on deferred compensation investments, net
Component of Other Income (Expense), Nonoperating [Line Items]
Gain (loss) on deferred compensation investments, net	2,624	(1,425)	4,866	807
Other
Component of Other Income (Expense), Nonoperating [Line Items]
Other	$ (110)	$ 474	$ 668	$ 69