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		67,655			67,655
Other comprehensive income (loss), net of tax			(7,120)		(7,120)
Dividends paid		(17,215)			(17,215)
Accumulated other comprehensive income (loss) balance, Ending 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
Accumulated other comprehensive income (loss) balance, Beginning at Mar. 26, 2022	$ 9,949	1,381,745	(3,360)	$ (150,857)	1,237,477
Balance, shares at Mar. 26, 2022	33,047,807
Balance, treasury shares at Mar. 26, 2022				6,149,364
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		36,266			36,266
Other comprehensive income (loss), net of tax			(2,073)		(2,073)
Dividends paid		(8,608)			(8,608)
Accumulated other comprehensive income (loss) balance, Ending 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
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		60,079			$ 60,079
Other comprehensive income (loss), net of tax			1,575		1,575
Dividends paid		(18,291)			(18,291)
Accumulated other comprehensive income (loss) balance, Ending 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				26,898,443
Balance, treasury shares at Jul. 01, 2023				6,149,364	6,149,364
Accumulated other comprehensive income (loss) balance, Beginning at Apr. 01, 2023	$ 9,949	1,465,860	(4,741)	$ (150,857)	$ 1,320,211
Balance, shares at Apr. 01, 2023	33,047,807
Balance, treasury shares at Apr. 01, 2023				6,149,364
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		34,265			34,265
Other comprehensive income (loss), net of tax			(133)		(133)
Dividends paid		(9,146)			(9,146)
Accumulated other comprehensive income (loss) balance, Ending 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				26,898,443
Balance, treasury shares at Jul. 01, 2023				6,149,364	6,149,364