Commitments and Contingencies (Details) (USD $)	12 Months Ended
Dec. 29, 2012
Operating Leased Assets [Line Items]
Purchase Commitment, Remaining Minimum Amount Committed	$ 4,000,000
Number of lease commitments	26
New lease commitments term, maximum	10
New lease commitments, term, minimum	5
Future Retail Sites [Member]
Operating Leased Assets [Line Items]
Operating Leases, Rent Expense, Minimum Rentals	$ 17,200,000

This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.

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The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of disclosed arrangements (excluding long-term commitments) in which the entity has agreed to expend funds to procure goods or services from one or more suppliers, other than under a long-term purchase commitment or an unconditional purchase obligation.

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