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		71,000
Treasury shares purchased (in shares)		(307,000)
End of period (in shares) at Jan. 02, 2021		28,766,000
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		1
Share-based compensation expense			5,349
Exercise of stock options and vesting of other share-based awards, including tax withholding			(2,054)
Treasury shares purchased				(22,771)
Net income	36,199				36,199
Other comprehensive (loss) income	12,755					12,755
End of period at Jan. 02, 2021	$ 1,006,959	$ 536	624,859	(957,410)	1,331,278	7,696
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		60,000
Treasury shares purchased (in shares)		(110,000)
End of period (in shares) at Jan. 01, 2022	27,997,000	27,997,000
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		1
Share-based compensation expense			6,270
Exercise of stock options and vesting of other share-based awards, including tax withholding			(3,394)
Treasury shares purchased				(10,131)
Net income	23,423				23,423
Other comprehensive (loss) income	(306)					(306)
End of period at Jan. 01, 2022	$ 1,044,095	$ 539	$ 642,654	$ (1,053,222)	$ 1,457,414	$ (3,290)