Basis of Presentation Basis of Presentation Schedule of Prior Period Adjustments (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2018	Apr. 02, 2017
Prior Period Adjustments Restatement
Cost of sales	$ 132,219	$ 124,543
Franchise support and other costs	6,173	3,643
General and administrative	50,356	51,314
Other operating income, net	$ (1,163)	(1,718)
Total of income statement line items affected by prior period reclassifications		177,782
Prior period reclassifications to Franchise support and other costs		0
Prior period reclassifications for Restaurant operational costs		0
Previously Reported
Prior Period Adjustments Restatement
Cost of sales		123,407
Franchise support and other costs		0
General and administrative		52,450
Other operating income, net		1,925
Total of income statement line items affected by prior period reclassifications		177,782
Cost of sales
Prior Period Adjustments Restatement
Prior period reclassifications to Franchise support and other costs		0
Prior period reclassifications for Restaurant operational costs		1,136
Franchise support and other costs
Prior Period Adjustments Restatement
Prior period reclassifications to Franchise support and other costs		3,643
Prior period reclassifications for Restaurant operational costs		0
General and administrative
Prior Period Adjustments Restatement
Prior period reclassifications to Franchise support and other costs		0
Prior period reclassifications for Restaurant operational costs		(1,136)
Other operating expense (income), net
Prior Period Adjustments Restatement
Prior period reclassifications to Franchise support and other costs		(3,643)
Prior period reclassifications for Restaurant operational costs		$ 0