Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

v2.4.1.9
Commitments and Contingencies (Details) (USD $)
 12 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Dec. 30, 2012
Commitments and Contingencies Disclosure [Abstract]      
Minimum length of remaining non-cancelable terms, high end of range (less than one year) 1 year    
Maximum length of remaining non-cancelable terms, low end of range (more than 15 years) 15 years    
Rental expense related to land, building, and equipment leases      
Minimum rent $ 58,083,000us-gaap_OperatingLeasesRentExpenseMinimumRentals $ 49,206,000us-gaap_OperatingLeasesRentExpenseMinimumRentals $ 47,287,000us-gaap_OperatingLeasesRentExpenseMinimumRentals
Contingent rent 2,239,000us-gaap_OperatingLeasesRentExpenseContingentRentals 2,164,000us-gaap_OperatingLeasesRentExpenseContingentRentals 1,861,000us-gaap_OperatingLeasesRentExpenseContingentRentals
Equipment rent under operating leases 895,000rrgb_OperatingLeasesRentExpenseEquipmentRentals 990,000rrgb_OperatingLeasesRentExpenseEquipmentRentals 788,000rrgb_OperatingLeasesRentExpenseEquipmentRentals
Rental expense 61,217,000us-gaap_OperatingLeasesRentExpenseNet 52,360,000us-gaap_OperatingLeasesRentExpenseNet 49,936,000us-gaap_OperatingLeasesRentExpenseNet
Leases of owned land, buildings, and equipment to outside parties under non-cancelable operating leases      
Cost of the leased land, building and equipment 4,600,000us-gaap_PropertySubjectToOrAvailableForOperatingLeaseGross 4,600,000us-gaap_PropertySubjectToOrAvailableForOperatingLeaseGross  
Accumulated depreciation of the leased land, building and equipment 2,800,000us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation 2,700,000us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation  
Capital Leases      
2015 1,003,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent    
2016 906,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears    
2017 900,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears    
2018 900,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears    
2019 900,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears    
Thereafter 6,550,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter    
Total 11,159,000us-gaap_CapitalLeasesFutureMinimumPaymentsDue    
Less amount representing interest (2,638,000)us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments    
Present value of future minimum lease payments 8,521,000us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments    
Less current portion (583,000)us-gaap_CapitalLeaseObligationsCurrent    
Long-term capital lease obligations 7,938,000us-gaap_CapitalLeaseObligationsNoncurrent    
Operating Leases      
2015 65,779,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
2016 63,710,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears    
2017 60,333,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears    
2018 55,345,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears    
2019 49,219,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears    
Thereafter 192,306,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter    
Total 486,692,000us-gaap_OperatingLeasesFutureMinimumPaymentsDue    
Rental Income      
2015 150,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent    
2016 38,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears    
2017       
2018       
Total 188,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable    
Assets under capital lease included in property and equipment      
Assets under capital lease 21,700,000us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet 20,000,000us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet  
Accumulated depreciation $ 10,000,000us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation $ 8,600,000us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation