Description of Business and Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands	6 Months Ended
	Jul. 02, 2017 USD ($) Country State	Jul. 03, 2016 USD ($)	Jan. 01, 2017 USD ($)
Accounting Policies [Abstract]
Number of States in which Entity Operates | State	47
Number of foreign countries in which Entity operates | Country	12
Related Party Transaction [Line Items]
Deferred financing costs, net	$ 13,996		$ 15,999
Contributions from franchisees to advertising and media funds	$ 1,200	$ 1,200