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Commitments And Contingencies (Narrative) (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 29, 2012 D | Dec. 31, 2011 | Jan. 01, 2011
Commitment And Contingencies [Line Items] |  |  |
Rent expense, net of sub-lease rental income | $ 29.7 | $ 31.7 | $ 33.2
Franchisee loans sold with recourse provisions | 13.3 | 13.9 |
Minimum term required for loans to recourse (in days) | 90 |  |
Pretax arbitration settlement gain | $ 18.0 |  |
Workforce Subject To Collective Bargaining Arrangements [Member] |  |  |
Commitment And Contingencies [Line Items] |  |  |
Number of employees covered under collective bargaining agreements | 2,700 |  |
Percentage of employees covered under collective bargaining agreements | 24.00% |  |
Workforce Subject To Collective Bargaining Agreements Expiring 2013 [Member] |  |  |
Commitment And Contingencies [Line Items] |  |  |
Number of employees covered under collective bargaining agreements | 900 |  |
Collective bargaining agreements year of expiration | 2013 |  |

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- Details
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- Definition Franchise Loan, Minimum Term for Recourse Provision + References No definition available. + Details
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- Definition The net proceeds or assets obtained in excess of (less than) the net carrying amount of assets recorded, or assets distributed and liabilities assumed less than (in excess of) estimated litigation liability extinguished, in settlement of a litigation matter. Represents (for other than an insurance entity in its normal claims settlement process), the amount of income (expense) recognized in the period to settle pending or threatened litigation and insurance claims. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10, 11, 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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