Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 30, 2019	Sep. 29, 2018
Assets
Currency contracts	$ 411	$ 1,080
Total assets	4,095	8,491
Liabilities
Currency contracts	78	173
Total liabilities	78	173
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	411	1,080
Total assets	4,095	8,491
Liabilities
Currency contracts	78	173
Total liabilities	78	173
Level 3
Assets
Currency contracts	0	0
Total assets	0	0
Liabilities
Currency contracts	0	0
Total liabilities	0	0
Interest rate swaps
Assets
Interest rate swaps	3,684	7,411
Interest rate swaps | Level 1
Assets
Interest rate swaps	0	0
Interest rate swaps | Level 2
Assets
Interest rate swaps	3,684	7,411
Interest rate swaps | Level 3
Assets
Interest rate swaps	$ 0	$ 0