Basis Of Presentation Basis of Presentation Narrative (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 30, 2014	Dec. 29, 2013	Dec. 30, 2012
Entity Information [Line Items]
Number of Reportable Segments	1
Restaurants Acquired			278
Number of restaurants		564
Number of States in which Entity Operates		13
Franchise Term Renewal Period		20 years
Franchise Agreement, Term		20 years
Cash, FDIC Insured Amount		$ 250
Minimum [Member]
Entity Information [Line Items]
Weeks In Fiscal Period		52
Maximum [Member]
Entity Information [Line Items]
Weeks In Fiscal Period		53
Off-Market Favorable Lease [Member]
Entity Information [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		14 years 8 months
Above Market Leases [Member]
Entity Information [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		14 years 5 months