Goodwill and Other Intangible Assets (Intangible Assets Subject to Amortization) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 25, 2012	Dec. 27, 2011
Amortizable intangible assets
Gross carrying amount	$ 633,529	$ 446,650
Accumulated amortization	(14,066)	(52,369)
Net book value	619,463	394,281
Franchise rights [Member]
Amortizable intangible assets
Gross carrying amount	638,169	440,637
Accumulated amortization	(15,535)	(50,527)
Net book value	622,634	390,110
Unfavorable leasehold interests [Member]
Amortizable intangible assets
Gross carrying amount	(4,640)
Accumulated amortization	1,469
Net book value	(3,171)
Favorable leasehold interests [Member]
Amortizable intangible assets
Gross carrying amount		6,013
Accumulated amortization		(1,842)
Net book value		$ 4,171