Other Comprehensive Income (Loss) (Schedule of Other Comprehensive Income (Loss) Allocated to Each Component of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Net
OCI, before reclassifications, net of tax	$ 13,281	$ (17,423)	$ 1,620
Net (gain) loss reclassified to earnings	211	(2,526)	(231)
Other comprehensive income (loss)	13,492	(19,949)	1,389
Accumulated Other Comprehensive Income (Loss)
Pretax
Other comprehensive income (loss)	13,039	(23,667)	2,579
Tax
Other comprehensive income (loss)	453	3,718	(1,190)
Net
Other comprehensive income (loss)	13,492	(19,949)	1,389
Foreign currency translation gain (loss) adjustments
Pretax
OCI, before reclassifications, before tax	16,986	(9,980)	(2,174)
Net
OCI, before reclassifications, net of tax	16,986	(9,980)	(2,174)
Net (gain) loss reclassified to earnings	0	0	0
Other comprehensive income (loss)	16,986	(9,980)	(2,174)
Derivative instruments
Pretax
OCI, before reclassifications, before tax	(5,120)	(2,723)	5,832
Net (gain) loss reclassified to earnings	(832)	(3,715)	(805)
Tax
OCI, before reclassifications, net of tax	1,152	582	(1,507)
Net (gain) loss reclassified to earnings	187	810	207
Net
OCI, before reclassifications, net of tax	(3,968)	(2,141)	4,325
Net (gain) loss reclassified to earnings	(645)	(2,905)	(598)
Other comprehensive income (loss)	(4,613)	(5,046)	3,727
Defined benefit pension plan
Pretax
OCI, before reclassifications, before tax	1,709	(8,247)	(890)
Net (gain) loss reclassified to earnings	1,226	542	526
Tax
OCI, before reclassifications, net of tax	(516)	2,489	269
Net (gain) loss reclassified to earnings	(370)	(163)	(159)
Net
OCI, before reclassifications, net of tax	1,193	(5,758)	(621)
Net (gain) loss reclassified to earnings	856	379	367
Currency exchange rate gain (loss)
Pretax
OCI, before reclassifications, before tax	(930)	456	90
Net
OCI, before reclassifications, net of tax	$ (930)	$ 456	$ 90

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