Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common stock	Additional paid-in capital	Treasury stock	Retained earnings	Accumulated other comprehensive (loss) income
Beginning of period (in shares) at Oct. 03, 2020		29,002,000
Exercise of stock options and vesting of other share-based awards		313,000
Treasury shares purchased (in shares)		(656,000)
End of period (in shares) at Apr. 03, 2021		28,659,000
Beginning of period at Oct. 03, 2020	$ 977,480	$ 535	$ 621,564	$ (934,639)	$ 1,295,079	$ (5,059)
Exercise of stock options and vesting of other share-based awards		3
Share-based compensation expense			11,822
Exercise of stock options and vesting of other share-based awards, including tax withholding			(6,210)
Treasury shares purchased				(51,900)
Net income	77,962				77,962
Other comprehensive (loss) income	4,795					4,795
End of period at Apr. 03, 2021	1,013,952	$ 538	627,176	(986,539)	1,373,041	(264)
Beginning of period (in shares) at Jan. 02, 2021		28,766,000
Exercise of stock options and vesting of other share-based awards		242,000
Treasury shares purchased (in shares)		(349,000)
End of period (in shares) at Apr. 03, 2021		28,659,000
Beginning of period at Jan. 02, 2021	1,006,959	$ 536	624,859	(957,410)	1,331,278	7,696
Exercise of stock options and vesting of other share-based awards		2
Share-based compensation expense			6,473
Exercise of stock options and vesting of other share-based awards, including tax withholding			(4,156)
Treasury shares purchased				(29,129)
Net income	41,763				41,763
Other comprehensive (loss) income	(7,960)					(7,960)
End of period at Apr. 03, 2021	$ 1,013,952	$ 538	627,176	(986,539)	1,373,041	(264)
Beginning of period (in shares) at Oct. 02, 2021	28,047,000	28,047,000
Exercise of stock options and vesting of other share-based awards		228,000
Treasury shares purchased (in shares)		(416,000)
End of period (in shares) at Apr. 02, 2022	27,859,000	27,859,000
Beginning of period at Oct. 02, 2021	$ 1,028,232	$ 538	639,778	(1,043,091)	1,433,991	(2,984)
Exercise of stock options and vesting of other share-based awards		3
Share-based compensation expense			12,178
Exercise of stock options and vesting of other share-based awards, including tax withholding			(10,781)
Treasury shares purchased				(35,135)
Net income	50,292				50,292
Other comprehensive (loss) income	(4,198)					(4,198)
End of period at Apr. 02, 2022	$ 1,040,591	$ 541	641,175	(1,078,226)	1,484,283	(7,182)
Beginning of period (in shares) at Jan. 01, 2022		27,997,000
Exercise of stock options and vesting of other share-based awards		168,000
Treasury shares purchased (in shares)		(306,000)
End of period (in shares) at Apr. 02, 2022	27,859,000	27,859,000
Beginning of period at Jan. 01, 2022	$ 1,044,095	$ 539	642,654	(1,053,222)	1,457,414	(3,290)
Exercise of stock options and vesting of other share-based awards		2
Share-based compensation expense			5,908
Exercise of stock options and vesting of other share-based awards, including tax withholding			(7,387)
Treasury shares purchased				(25,004)
Net income	26,869				26,869
Other comprehensive (loss) income	(3,892)					(3,892)
End of period at Apr. 02, 2022	$ 1,040,591	$ 541	$ 641,175	$ (1,078,226)	$ 1,484,283	$ (7,182)