Basis of Presentation and Significant Accounting Policies - Revenue Recognition (Details) $ in Millions	3 Months Ended
	Apr. 03, 2018 USD ($)
Revenue Recognition
Gift card breakage period	3 years
Deferred revenue recognized	$ 5.9
Minimum
Revenue Recognition
Revenue recognition for development and site fees over the life of the applicable licensee agreements (in years)	8 years
Maximum
Revenue Recognition
Revenue recognition for development and site fees over the life of the applicable licensee agreements (in years)	30 years