Franchise Rights Acquired, Goodwill and Other Intangible Assets - Change in Carrying Amount of Goodwill (Detail) $ in Thousands	6 Months Ended
	Jul. 03, 2021 USD ($)
Goodwill [Line Items]
Beginning balance	$ 155,617
Effect of exchange rate changes	1,137
Ending balance	156,754
North America
Goodwill [Line Items]
Beginning balance	145,071
Effect of exchange rate changes	1,383
Ending balance	146,454
Continental Europe
Goodwill [Line Items]
Beginning balance	7,792
Effect of exchange rate changes	(230)
Ending balance	7,562
United Kingdom
Goodwill [Line Items]
Beginning balance	1,268
Effect of exchange rate changes	15
Ending balance	1,283
Other
Goodwill [Line Items]
Beginning balance	1,486
Effect of exchange rate changes	(31)
Ending balance	$ 1,455