Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common [Member]	Total
Accumulated other comprehensive income (loss) balance, Beginning at Dec. 25, 2021	$ 9,949	$ 1,358,963	$ 1,687	$ (150,857)	$ 1,219,742
Balance, shares at Dec. 25, 2021	33,047,807
Balance, treasury shares at Dec. 25, 2021				6,149,364
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		96,313			96,313
Other comprehensive income (loss), net of tax			(9,143)		(9,143)
Dividends paid		(25,823)			(25,823)
Accumulated other comprehensive income (loss) balance, Ending at Sep. 24, 2022	$ 9,949	1,429,453	(7,456)	$ (150,857)	1,281,089
Balance, shares at Sep. 24, 2022	33,047,807
Balance, treasury shares at Sep. 24, 2022				6,149,364
Accumulated other comprehensive income (loss) balance, Beginning at Jun. 25, 2022	$ 9,949	1,409,403	(5,433)	$ (150,857)	1,263,062
Balance, shares at Jun. 25, 2022	33,047,807
Balance, treasury shares at Jun. 25, 2022				6,149,364
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		28,658			28,658
Other comprehensive income (loss), net of tax			(2,023)		(2,023)
Dividends paid		(8,608)			(8,608)
Accumulated other comprehensive income (loss) balance, Ending at Sep. 24, 2022	$ 9,949	1,429,453	(7,456)	$ (150,857)	1,281,089
Balance, shares at Sep. 24, 2022	33,047,807
Balance, treasury shares at Sep. 24, 2022				6,149,364
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				26,898,443
Balance, treasury shares at Dec. 31, 2022				6,149,364
Increase (Decrease) in Stockholders' Equity [Roll Forward]
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				26,898,443
Balance, treasury shares at Sep. 30, 2023				6,149,364	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 [Roll Forward]
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				26,898,443
Balance, treasury shares at Sep. 30, 2023				6,149,364	6,149,364