Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 25, 2021		31,607,509
Beginning balance at Dec. 25, 2021	$ 932,736	$ 316	$ 77,451	$ 856,409	$ (1,440)
Increase (Decrease) in Stockholders' Equity
Exercise of stock options (in shares)		17,455
Exercise of stock options	971		971
Compensation expense under Incentive Stock Plan	6,742		6,742
Purchase and cancellation of common stock (in shares)		(201,135)
Purchase and cancellation of common stock	(19,717)	$ (2)	(362)	(19,353)
Issuance of non-vested stock, net of cancellations (in shares)		13,847
Issuance of non-vested stock, net of cancellations	1,189		1,189
Other stock related activity, net of tax (in shares)		(18,284)
Other stock-related activity, net of tax	(2,178)		(617)	(1,561)
Change in foreign currency translation adjustment	(2,415)				(2,415)
Net income	103,713			103,713
Ending balance (in shares) at Sep. 24, 2022		31,419,392
Ending balance at Sep. 24, 2022	1,021,041	$ 314	85,374	939,208	(3,855)
Beginning balance (in shares) at Jun. 25, 2022		31,425,224
Beginning balance at Jun. 25, 2022	990,957	$ 314	82,192	910,194	(1,743)
Increase (Decrease) in Stockholders' Equity
Exercise of stock options (in shares)		169
Exercise of stock options	14		14
Compensation expense under Incentive Stock Plan	2,472		2,472
Purchase and cancellation of common stock (in shares)		(14,700)
Purchase and cancellation of common stock	(1,522)		(26)	(1,496)
Issuance of non-vested stock, net of cancellations (in shares)		9,626
Issuance of non-vested stock, net of cancellations	812		812
Other stock related activity, net of tax (in shares)		(927)
Other stock-related activity, net of tax	(181)		(90)	(91)
Change in foreign currency translation adjustment	(2,112)				(2,112)
Net income	30,601			30,601
Ending balance (in shares) at Sep. 24, 2022		31,419,392
Ending balance at Sep. 24, 2022	$ 1,021,041	$ 314	85,374	939,208	(3,855)
Beginning balance (in shares) at Dec. 31, 2022	31,430,632	31,430,632
Beginning balance at Dec. 31, 2022	$ 1,042,631	$ 314	88,750	956,870	(3,303)
Increase (Decrease) in Stockholders' Equity
Exercise of stock options (in shares)		17,489
Exercise of stock options	1,167		1,167
Compensation expense under Incentive Stock Plan	8,336		8,336
Purchase and cancellation of common stock (in shares)		(11,850)
Purchase and cancellation of common stock	(1,008)		(21)	(987)
Issuance of non-vested stock, net of cancellations (in shares)		76,747
Issuance of non-vested stock, net of cancellations	1,004	$ 1	1,003
Other stock related activity, net of tax (in shares)		(25,524)
Other stock-related activity, net of tax	(2,483)		(1,893)	(590)
Change in foreign currency translation adjustment	(529)				(529)
Net income	$ 78,975			78,975
Ending balance (in shares) at Sep. 30, 2023	31,487,494	31,487,494
Ending balance at Sep. 30, 2023	$ 1,128,093	$ 315	97,342	1,034,268	(3,832)
Beginning balance (in shares) at Jul. 01, 2023		31,488,164
Beginning balance at Jul. 01, 2023	1,086,072	$ 315	94,452	993,923	(2,618)
Increase (Decrease) in Stockholders' Equity
Exercise of stock options (in shares)		460
Exercise of stock options	37		37
Compensation expense under Incentive Stock Plan	2,901		2,901
Purchase and cancellation of common stock (in shares)		(2,010)
Purchase and cancellation of common stock	(180)		(3)	(177)
Issuance of non-vested stock, net of cancellations (in shares)		1,419
Issuance of non-vested stock, net of cancellations	0		0
Other stock related activity, net of tax (in shares)		(539)
Other stock-related activity, net of tax	(45)		(45)
Change in foreign currency translation adjustment	(1,214)				(1,214)
Net income	$ 40,522			40,522
Ending balance (in shares) at Sep. 30, 2023	31,487,494	31,487,494
Ending balance at Sep. 30, 2023	$ 1,128,093	$ 315	$ 97,342	$ 1,034,268	$ (3,832)