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Franchise Rights Acquired, Goodwill and Other Intangible Assets - Change in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Goodwill [Line Items]
Beginning balance	$ 157,916
Goodwill impairment	(3,665)	$ 0	$ 0
Effect of exchange rate changes	1,366
Ending balance	155,617	157,916
North America
Goodwill [Line Items]
Beginning balance	143,940
Goodwill impairment	0
Effect of exchange rate changes	1,131
Ending balance	145,071	143,940
Continental Europe
Goodwill [Line Items]
Beginning balance	7,015
Goodwill impairment	0
Effect of exchange rate changes	777
Ending balance	7,792	7,015
United Kingdom
Goodwill [Line Items]
Beginning balance	1,213
Goodwill impairment	0
Effect of exchange rate changes	55
Ending balance	1,268	1,213
Other
Goodwill [Line Items]
Beginning balance	5,748
Goodwill impairment	(3,665)
Effect of exchange rate changes	(597)
Ending balance	$ 1,486	$ 5,748