Impairment Charges - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 26, 2019
Impairment Charge [Line Items]
Impaired Asset Fair Value	$ 33,313,000	$ 808,000
Trade Names [Member]
Impairment Charge [Line Items]
Impaired Asset Fair Value	$ 6,900,000
Royalty rate (as a percent)	1.00%
Discount rate (as a percent)	17.00%
Fair Value, Inputs, Level 3 [Member]
Impairment Charge [Line Items]
Impairment of Fixed Assets	$ 22,076,000	$ 1,874,000
Fair Value, Inputs, Level 3 [Member] | Trade Names [Member]
Impairment Charge [Line Items]
Impairment charge	$ 2,600,000