Income Taxes (Components Of Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Income Tax Disclosure [Abstract]
Federal	$ 14,789	$ 23,302	$ 19,985
Foreign	18,997	29,460	35,515
State	3,271	4,240	705
Total current	37,057	57,002	56,205
Federal	(35,603)	(5,666)	23,229
Foreign	(1,843)	1,413	3,354
State	(3,399)	(345)	4,030
Total deferred	(40,845)	(4,598)	30,613
Income taxes (benefit)	$ (3,788)	$ 52,404	$ 86,818