Revenue Disclosures - Additional Information (Detail) - USD ($) $ in Thousands	Sep. 12, 2021	Jan. 03, 2021
Contract with Customer, Liability, Current	$ 4,800	$ 4,100
Contract with Customer, Liability, Noncurrent	15,100	15,000
Advertising Fund Assets Restricted	186,807	147,698	[1]
U.S. stores [Member] | U.S. franchise stores [Member] | Cash, cash equivalents and investments [Member]
Advertising Fund Assets Restricted	166,700	115,900
U.S. stores [Member] | U.S. franchise stores [Member] | Prepaid expenses [Member]
Advertising Fund Assets Restricted	1,400	4,800
U.S. stores [Member] | U.S. franchise stores [Member] | Accounts receivable [Member]
Advertising Fund Assets Restricted	18,700	27,000
U.S. stores [Member] | U.S. Company-owned stores [Member]
Cash contributed from Company-owned stores	$ 8,300	$ 6,500

[1] The condensed consolidated balance sheet at January 3, 2021 has been derived from the audited consolidated financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.