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Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 6 Months Ended |
--- | --- | ---
Jun. 29, 2013 | Dec. 29, 2012
Risks And Uncertainties [Abstract] |  |
Franchisee leases sold with recourse provisions | $ 12.0 | $ 13.3
Minimum term required for leases to recourse (in days) | 90 days |

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- Definition Franchise leases minimum term for recourse provision. + References No definition available. + Details
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- Definition Franchise leases recourse provision. + References No definition available. + Details
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- Details
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