Basis Of Presentation (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 03, 2016 USD ($)	Jun. 28, 2015	Jul. 03, 2016 USD ($)	Jun. 28, 2015	Jan. 03, 2016
Entity Information [Line Items]
Number of Restaurants	723		723
Number of States in which Entity Operates	16		16
Weeks In Fiscal Period	13	13	26	26	53
Long-term Debt, Fair Value	$ 217.5		$ 217.5
Minimum [Member]
Entity Information [Line Items]
Weeks In Fiscal Period			52
Maximum [Member]
Entity Information [Line Items]
Weeks In Fiscal Period			53