Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common stock	Additional paid-in capital	Treasury stock	Retained earnings	Accumulated other comprehensive loss
Beginning of period (in shares) at Oct. 02, 2021		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
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 income (loss)	(306)					(306)
End of period at Jan. 01, 2022	$ 1,044,095	$ 539	642,654	(1,053,222)	1,457,414	(3,290)
Beginning of period (in shares) at Oct. 01, 2022	27,679,000	27,679,000
Exercise of stock options and vesting of other share-based awards		49,000
Treasury shares purchased (in shares)		(116,000)
End of period (in shares) at Dec. 31, 2022	27,612,000	27,612,000
Beginning of period at Oct. 01, 2022	$ 1,095,731	$ 541	652,467	(1,093,483)	1,572,234	(36,028)
Exercise of stock options and vesting of other share-based awards		0
Share-based compensation expense			5,683
Exercise of stock options and vesting of other share-based awards, including tax withholding			(4,091)
Treasury shares purchased				(11,470)
Net income	42,190				42,190
Other comprehensive income (loss)	22,216					22,216
End of period at Dec. 31, 2022	$ 1,150,259	$ 541	$ 654,059	$ (1,104,953)	$ 1,614,424	$ (13,812)