Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Sep. 28, 2019
Assets
Currency contracts	$ 665	$ 907
Total assets	665	907
Liabilities
Currency contracts	194	251
Total liabilities	194	251
Level 1
Assets
Currency contracts	0	0
Total assets	0	0
Liabilities
Currency contracts	0	0
Total liabilities	0	0
Level 2
Assets
Currency contracts	665	907
Total assets	665	907
Liabilities
Currency contracts	194	251
Total liabilities	194	251
Level 3
Assets
Currency contracts	0	0
Total assets	0	0
Liabilities
Currency contracts	0	0
Total liabilities	$ 0	$ 0