Goodwill, Franchise Rights, Favorable and Unfavorable Leases Favorable and Unfavorable Leases (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 30, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Number of Restaurants Acquired	278
Finite-Lived Intangible Asset, Off-market Lease, Favorable, Gross	$ 3,470
Finite-Lived Intangible Asset, Off-Market Lease, Favorable, Accumulated Amortization	183
Finite-Lived Intangible Asset, Off-Market Lease, Unfavorable, Gross	9,553
Finite-Lived Intangible Asset, Off-Market Lease, Unfavorable, Accumulated Amortization	508
Leases, Acquired-in-Place, Market Adjustment [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	325
Finite-Lived Intangible Assets, Future Amortization Expense, Next Twelve Months	557
Finite-Lived Intangible Assets, Future Amortization Expense, Year Two	546
Finite-Lived Intangible Assets, Future Amortization Expense, Year Three	528
Finite-Lived Intangible Assets, Future Amortization Expense, Year Four	449
Finite-Lived Intangible Assets, Future Amortization Expense, Year Five	$ 430