Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 26, 2020		32,168,740
Beginning balance at Dec. 26, 2020	$ 853,559	$ 322	$ 64,085	$ 789,152	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		41,700
Exercise of stock options	2,455		2,455
Compensation expense under incentive stock plan	8,228		8,228
Purchase and cancellation of common stock (in shares)		(617,080)
Purchase and cancellation of common stock	(62,756)	$ (6)	(1,111)	(61,639)
Issuance of non-vested stock, net of cancellations (in shares)		28,914
Issuance of non-vested stock, net of cancellations	3,261		3,261
Other stock related activity, net of tax (in shares)		(14,765)
Other stock-related activity, net of tax	(2,103)		533	(2,636)
Other comprehensive loss	(1,440)				(1,440)
Net income	131,532			131,532
Ending balance (in shares) at Dec. 25, 2021		31,607,509
Ending balance at Dec. 25, 2021	932,736	$ 316	77,451	856,409	(1,440)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		18,515
Exercise of stock options	1,046		1,046
Compensation expense under incentive stock plan	9,370		9,370
Purchase and cancellation of common stock (in shares)		(203,765)
Purchase and cancellation of common stock	(19,934)	$ (2)	(367)	(19,565)
Issuance of non-vested stock, net of cancellations (in shares)		27,224
Issuance of non-vested stock, net of cancellations	2,032		2,032
Other stock related activity, net of tax (in shares)		(18,851)
Other stock-related activity, net of tax	(2,305)		(782)	(1,523)
Other comprehensive loss	(1,863)				(1,863)
Net income	$ 121,549			121,549
Ending balance (in shares) at Dec. 31, 2022	31,430,632	31,430,632
Ending balance at Dec. 31, 2022	$ 1,042,631	$ 314	88,750	956,870	(3,303)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		17,489
Exercise of stock options	1,167		1,167
Compensation expense under incentive stock plan	11,484		11,484
Purchase and cancellation of common stock (in shares)		(215,410)
Purchase and cancellation of common stock	(16,493)	$ (2)	(387)	(16,104)
Issuance of non-vested stock, net of cancellations (in shares)		93,437
Issuance of non-vested stock, net of cancellations	1,986	$ 1	1,985
Other stock related activity, net of tax (in shares)		(26,378)
Other stock-related activity, net of tax	(2,544)		(1,954)	(590)
Other comprehensive loss	713				713
Net income	$ 129,259			129,259
Ending balance (in shares) at Dec. 31, 2023	31,299,770	31,299,770
Ending balance at Dec. 31, 2023	$ 1,168,203	$ 313	$ 101,045	$ 1,069,435	$ (2,590)