Other Comprehensive Income (Loss) (Schedule of Amounts Reclassified Out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenue	$ 828,586	$ 892,518	$ 778,032
Interest expense, net	(33,970)	(31,558)	(25,882)
Cost of sales	(540,198)	(563,588)	(472,503)
Selling and marketing	(120,288)	(131,639)	(126,333)
General and administrative	(96,089)	(86,658)	(79,240)
Other income (expense), net	(2,249)	466	4,933
Income before income taxes	(283,706)	48,613	44,223
Income tax provision (benefit)	11,655	(5,546)	17,105
Net income	(272,051)	43,067	61,328
Reclassification Out Of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	(211)	2,526	231
Reclassification Out Of Accumulated Other Comprehensive Income | Unrealized Derivative Instrument Adjustments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax provision (benefit)	(187)	(810)	(207)
Net income	645	2,905	598
Reclassification Out Of Accumulated Other Comprehensive Income | Unrealized Derivative Instrument Adjustments | Currency exchange contracts gain (loss)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenue	(54)	1,026	(399)
Reclassification Out Of Accumulated Other Comprehensive Income | Unrealized Derivative Instrument Adjustments | Interest rate swap contracts gain (loss)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense, net	886	2,689	1,204
Reclassification Out Of Accumulated Other Comprehensive Income | Defined Benefit Pension Plan Adjustments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	0	0	(288)
Selling and marketing	0	0	(148)
General and administrative	0	0	(90)
Other income (expense), net	(1,226)	(542)	0
Income before income taxes	(1,226)	(542)	(526)
Income tax provision (benefit)	370	163	159
Net income	$ (856)	$ (379)	$ (367)