Net (Loss) Income per Share - Computation of (Loss) Earnings Per Share, Basic (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net (loss) income	$ (1,955)	$ 65,565
Allocation of net (loss) income for basic:
Allocation of net (loss) income for basic common stock	$ (1,955)	$ 65,565
Weighted average number of shares for basic:
Weighted-average number of common shares — basic	12,300	12,271
Net (loss) income per share for basic:
Net (loss) income per common share - basic	$ (0.16)	$ 5.34
Common Class A
Allocation of net (loss) income for basic:
Allocation of net (loss) income for basic common stock	$ (1,621)	$ 53,628
Weighted average number of shares for basic:
Weighted-average number of common shares — basic	10,200	10,037
Net (loss) income per share for basic:
Net (loss) income per common share - basic	$ (0.16)	$ 5.34
Common Class B
Allocation of net (loss) income for basic:
Allocation of net (loss) income for basic common stock	$ (329)	$ 11,638
Weighted average number of shares for basic:
Weighted-average number of common shares — basic	2,068	2,178
Net (loss) income per share for basic:
Net (loss) income per common share - basic	$ (0.16)	$ 5.34
Unvested participating shares
Allocation of net (loss) income for basic:
Allocation of net (loss) income for basic unvested participating shares	$ (5)	$ 299
Weighted average number of shares for basic:
Weighted-average number of common shares — basic	32	56