Goodwill and Other Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 25, 2012	Dec. 27, 2011
Amortizable intangible assets
Gross Carrying Amount	$ 633,374	$ 446,650
Accumulated Amortization	(11,643)	(50,527)
Net Book Value	622,854	394,281
Franchise rights [Member]
Amortizable intangible assets
Gross Carrying Amount	638,014	440,637
Accumulated Amortization	(11,643)	(50,527)
Net Book Value	626,371	390,110
Favorable leasehold interests [Member]
Amortizable intangible assets
Gross Carrying Amount		6,013
Accumulated Amortization		(1,842)
Net Book Value		4,171
Unfavorable leasehold interests [Member]
Amortizable intangible assets
Gross Carrying Amount	(4,640)
Accumulated Amortization	1,123
Net Book Value	$ (3,517)

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant