CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Total
Accumulated other comprehensive income (loss) balance, Beginning at Dec. 31, 2022	$ 9,949	$ 1,449,191	$ (6,449)	$ (150,857)	$ 1,301,834
Balance, shares at Dec. 31, 2022	33,047,807
Balance, treasury shares at Dec. 31, 2022				6,149,364
Increase (Decrease) in Stockholders' Equity
Net income		83,305			83,305
Other comprehensive income (loss), net of tax			613		613
Dividends paid		(27,436)			(27,436)
Accumulated other comprehensive income (loss) balance, Ending at Sep. 30, 2023	$ 9,949	1,505,060	(5,836)	$ (150,857)	1,358,316
Balance, shares at Sep. 30, 2023	33,047,807
Balance, treasury shares at Sep. 30, 2023				6,149,364
Accumulated other comprehensive income (loss) balance, Beginning at Jul. 01, 2023	$ 9,949	1,490,979	(4,874)	$ (150,857)	1,345,198
Balance, shares at Jul. 01, 2023	33,047,807
Balance, treasury shares at Jul. 01, 2023				6,149,364
Increase (Decrease) in Stockholders' Equity
Net income		23,226			23,226
Other comprehensive income (loss), net of tax			(962)		(962)
Dividends paid		(9,145)			(9,145)
Accumulated other comprehensive income (loss) balance, Ending at Sep. 30, 2023	$ 9,949	1,505,060	(5,836)	$ (150,857)	1,358,316
Balance, shares at Sep. 30, 2023	33,047,807
Balance, treasury shares at Sep. 30, 2023				6,149,364
Accumulated other comprehensive income (loss) balance, Beginning at Dec. 30, 2023	$ 9,949	1,516,438	(1,193)	$ (150,857)	$ 1,374,337
Balance, shares at Dec. 30, 2023	33,047,807				26,898,443
Balance, treasury shares at Dec. 30, 2023				6,149,364	6,149,364
Increase (Decrease) in Stockholders' Equity
Net income		75,263			$ 75,263
Other comprehensive income (loss), net of tax			564		564
Dividends paid		(27,436)			(27,436)
Accumulated other comprehensive income (loss) balance, Ending at Sep. 28, 2024	$ 9,949	1,564,265	(629)	$ (150,857)	$ 1,422,728
Balance, shares at Sep. 28, 2024	33,047,807				26,898,443
Balance, treasury shares at Sep. 28, 2024				6,149,364	6,149,364
Accumulated other comprehensive income (loss) balance, Beginning at Jun. 29, 2024	$ 9,949	1,547,571	(1,419)	$ (150,857)	$ 1,405,244
Balance, shares at Jun. 29, 2024	33,047,807
Balance, treasury shares at Jun. 29, 2024				6,149,364
Increase (Decrease) in Stockholders' Equity
Net income		25,840			25,840
Other comprehensive income (loss), net of tax			790		790
Dividends paid		(9,145)			(9,145)
Accumulated other comprehensive income (loss) balance, Ending at Sep. 28, 2024	$ 9,949	$ 1,564,265	$ (629)	$ (150,857)	$ 1,422,728
Balance, shares at Sep. 28, 2024	33,047,807				26,898,443
Balance, treasury shares at Sep. 28, 2024				6,149,364	6,149,364