Goodwill and Other Intangible Assets (Intangible Assets Amortization Period) (Details)	12 Months Ended
Dec. 25, 2012
Franchise Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset useful life	41 years
Favorable Leasehold Interests [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset useful life	15 years
Unfavorable Leasehold Interests [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset useful life	9 years

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration