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. 26, 2020	$ 9,949	$ 1,283,737	$ 3,286	$ (150,857)	$ 1,146,115
Balance, shares at Dec. 26, 2020	33,047,807
Balance, treasury shares at Dec. 26, 2020				6,149,364
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		108,849			108,849
Other comprehensive income (loss), net of tax			(1,599)		(1,599)
Dividends paid		(33,623)			(33,623)
Accumulated other comprehensive income (loss) balance, Ending 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		125,196			125,196
Other comprehensive income (loss), net of tax			(8,135)		(8,135)
Dividends paid		(34,968)			(34,968)
Accumulated other comprehensive income (loss) balance, Ending 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	6,149,364
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		103,828			$ 103,828
Other comprehensive income (loss), net of tax			5,255		5,255
Dividends paid		(36,582)			(36,582)
Accumulated other comprehensive income (loss) balance, Ending 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