Summary Of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 years	Dec. 25, 2010	Dec. 26, 2009
Summary of Significant Accounting Policies [Line Items]
Maximum number of associates	29,000
Receivable from large customer having financial difficulties	$ 27
Allowances for doubtful accounts	3.9	6.5
Minimum useful life of intangible assets, in years	3
Maximum useful life of intangible assets, in years	20
Advertising expense	225.3	228.3	211.3
Pre-opening costs	1.0		1.6
Cuba [Member]
Summary of Significant Accounting Policies [Line Items]
Percentage of ownership in subsidiary	88.00%
Lease Agreements [Member]
Summary of Significant Accounting Policies [Line Items]
Other long-term liabilities	52.3	61.6
Software [Member]
Summary of Significant Accounting Policies [Line Items]
Minimum useful life of intangible assets, in years	3
Maximum useful life of intangible assets, in years	7
Unamortized capitalized software costs	32.5	32.4
Amortization of capitalized software costs	$ 10.5	$ 17.5	$ 17.2
Minimum [Member] | Leasehold Improvement [Member]
Summary of Significant Accounting Policies [Line Items]
Estimated useful life in years	two
Minimum [Member] | Building And Improvement [Member]
Summary of Significant Accounting Policies [Line Items]
Estimated useful life in years	three
Minimum [Member] | Machinery And Equipment [Member]
Summary of Significant Accounting Policies [Line Items]
Estimated useful life in years	three
Maximum [Member] | Leasehold Improvement [Member]
Summary of Significant Accounting Policies [Line Items]
Estimated useful life in years	20
Maximum [Member] | Building And Improvement [Member]
Summary of Significant Accounting Policies [Line Items]
Estimated useful life in years	40
Maximum [Member] | Machinery And Equipment [Member]
Summary of Significant Accounting Policies [Line Items]
Estimated useful life in years	15