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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 26, 2012 | Dec. 28, 2011
Guarantor Obligations [Line Items] |  |
Number of restaurants | 1,688 | 1,685
Restaurant Conversion [Member] |  |
Guarantor Obligations [Line Items] |  |
Liabilities recorded and included as a component of other noncurrent liabilities and deferred credits | $ 0.1 | $ 0.2
Restaurant Conversion [Member] | Property Lease Guarantee [Member] |  |
Guarantor Obligations [Line Items] |  |
Maximum payments guaranteed | 2.0 |
Term of guaranteed lease payments | first five years of the related leases |
Restaurant Conversion [Member] | Financial Guarantee [Member] |  |
Guarantor Obligations [Line Items] |  |
Maximum payments guaranteed | 0.9 |
Loan amounts outstanding under the loan pools | 7.2 | 15.5
Term of guaranteed lease payments | generally five years |
Restaurant Conversion [Member] | Converted Restaurant Units [Member] |  |
Guarantor Obligations [Line Items] |  |
Number of restaurants |  | 123
Franchisee Loan Program [Member] | Financial Guarantee [Member] |  |
Guarantor Obligations [Line Items] |  |
Maximum payments guaranteed | 12.0 |
Maximum payments guaranteed (percent) | 12.00% |
Loan amounts outstanding under the loan pools | 0 | 0
Loans provided to new and existing franchisees | $ 100 |

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- Definition Guarantor Obligations, Maximum Exposure, Percent + References No definition available. + Details
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- Definition Loan Provided by Banks to franchisees, Maximum Lending Capicity + References No definition available. + Details
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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 45 -Paragraph 13 -Subparagraph c -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. + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 45 -Paragraph 13 -Subparagraph b -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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- Definition Describe the approximate term of the guarantee or each group of similar guarantees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 45 -Paragraph 13 -Subparagraph a -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. + Details
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