Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2016	Jun. 30, 2015	Jun. 28, 2016	Jun. 30, 2015
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, Percent	40.80%	37.20%	38.70%	37.30%
Refranchising loss	$ 7,872	$ 667	$ 8,943	$ 9,558
Refranchised Cafe [Member]
Income Taxes [Line Items]
Refranchising loss	$ 7,200