Basis Of Presentation (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 28, 2015 USD ($)	Jun. 29, 2014	Jun. 28, 2015 USD ($)	Jun. 29, 2014	Dec. 28, 2014
Entity Information [Line Items]
Number of Restaurants	657		657
Number of States in which Entity Operates	15		15
Weeks In Fiscal Period	13	13	26	26	52
Long-term Debt, Fair Value	$ 210.5		$ 210.5
Minimum [Member]
Entity Information [Line Items]
Weeks In Fiscal Period			52
Maximum [Member]
Entity Information [Line Items]
Weeks In Fiscal Period			53