Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock Common Class A	Common Stock Common Class B	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment
Balance at Dec. 26, 2020	$ 956,967	$ (54)	$ 100	$ 22	$ 599,737	$ (252)	$ 357,360	$ (54)
Balance (in shares) at Dec. 26, 2020			10,005,000	2,178,000
Net (loss) income	65,565						65,565
Stock options exercised and restricted shares activities	1,269		$ 1		1,268
Stock options exercised and restricted shares activities (in shares)			48,000
Stock-based compensation expense	4,957				4,957
Accounting Standards Update [Extensible List]		ASU 2019-12						ASU 2019-12
Foreign currency translation adjustment	20					20
Balance at Mar. 27, 2021	1,028,724		$ 101	$ 22	605,962	(232)	422,871
Balance (in shares) at Mar. 27, 2021			10,053,000	2,178,000
Balance at Dec. 25, 2021	983,409		$ 102	$ 21	611,622	(194)	371,858
Balance (in shares) at Dec. 25, 2021			10,184,000	2,068,000
Net (loss) income	(1,955)						(1,955)
Stock options exercised and restricted shares activities	$ 498				498
Stock options exercised and restricted shares activities (in shares)	12,014		31,000
Stock-based compensation expense	$ 2,922				2,922
Foreign currency translation adjustment	50					50
Balance at Mar. 26, 2022	$ 984,924		$ 102	$ 21	$ 615,042	$ (144)	$ 369,903
Balance (in shares) at Mar. 26, 2022			10,215,000	2,068,000