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Borrowings (Details) (USD $)
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1 Months Ended |
12 Months Ended |
0 Months Ended |
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Dec. 30, 2012
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Dec. 28, 2014
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Dec. 29, 2013
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Dec. 30, 2012
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Dec. 14, 2012
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Jul. 02, 2014
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| Borrowings |
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| Debt and capital lease obligations |
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$ 147,896,000us-gaap_DebtAndCapitalLeaseObligations
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$ 88,714,000us-gaap_DebtAndCapitalLeaseObligations
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| Less: Current portion |
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(583,000)us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
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(826,000)us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
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| Long-term debt and capital lease obligations |
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147,313,000us-gaap_LongTermDebtAndCapitalLeaseObligations
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87,888,000us-gaap_LongTermDebtAndCapitalLeaseObligations
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| Maturities of long-term debt and capital lease obligations |
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| 2015 |
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583,000rrgb_LongTermDebtandCapitalLeaseObligationsDueinNextTwelveMonths
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| 2016 |
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535,000rrgb_LongTermDebtAndCapitalLeaseObligationsDueInYearTwo
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| 2017 |
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564,000rrgb_LongTermDebtAndCapitalLeaseObligationsDueInYearThree
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| 2018 |
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598,000rrgb_LongTermDebtAndCapitalLeaseObligationsDueInYearFour
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| 2019 |
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139,136,000rrgb_LongTermDebtAndCapitalLeaseObligationsDueInYearFive
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| Thereafter |
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6,480,000rrgb_LongTermDebtAndCapitalLeaseObligationsDueThereafter
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| Debt and capital lease obligations |
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147,896,000us-gaap_DebtAndCapitalLeaseObligations
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88,714,000us-gaap_DebtAndCapitalLeaseObligations
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| Additional disclosure |
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| Loan origination costs |
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1,800,000us-gaap_UnamortizedDebtIssuanceExpense
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1,400,000us-gaap_UnamortizedDebtIssuanceExpense
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| Write-off of unamortized fees |
700,000us-gaap_WriteOffOfDeferredDebtIssuanceCost
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| Charge related to the de-designation of an interest rate swap |
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0rrgb_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDedesignatedDerivativesIncludedInNetIncomeBeforeTax
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0rrgb_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDedesignatedDerivativesIncludedInNetIncomeBeforeTax
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1,220,000rrgb_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDedesignatedDerivativesIncludedInNetIncomeBeforeTax
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| Capital lease obligations |
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| Borrowings |
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| Debt and capital lease obligations |
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8,521,000us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember
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9,339,000us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember
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| Weighted Average Interest Rate |
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5.11%us-gaap_LongtermDebtWeightedAverageInterestRate / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember
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5.43%us-gaap_LongtermDebtWeightedAverageInterestRate / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember
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| Maturities of long-term debt and capital lease obligations |
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| Debt and capital lease obligations |
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8,521,000us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember
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9,339,000us-gaap_DebtAndCapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember
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| Previous Credit Facility |
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| Additional disclosure |
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| Additional borrowing capacity subject to lender participation |
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100,000,000rrgb_DebtInstrumentContingentIncreaseInBorrowingCapacity / us-gaap_DebtInstrumentAxis = rrgb_PreviousCreditFacilityMember
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| Non-cash pre-tax charge |
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2,900,000rrgb_WriteOffOfDeferredDebtIssuanceCostAndInterestRateCashFlowHedgeLossReclassifiedToEarnings / us-gaap_DebtInstrumentAxis = rrgb_PreviousCreditFacilityMember
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| Write-off of unamortized fees |
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1,700,000us-gaap_WriteOffOfDeferredDebtIssuanceCost / us-gaap_DebtInstrumentAxis = rrgb_PreviousCreditFacilityMember
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| Charge related to the de-designation of an interest rate swap |
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1,200,000rrgb_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDedesignatedDerivativesIncludedInNetIncomeBeforeTax / us-gaap_DebtInstrumentAxis = rrgb_PreviousCreditFacilityMember
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| Previous Credit Facility | LIBOR |
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| Additional disclosure |
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| Variable interest rate basis |
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LIBOR
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| Previous Credit Facility | Base rate |
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| Additional disclosure |
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| Variable interest rate basis |
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Base rate
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| Previous Credit Facility | Prime rate |
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| Additional disclosure |
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| Variable interest rate basis |
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Prime Rate
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| Previous Credit Facility | Federal funds rate |
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| Additional disclosure |
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| Variable interest rate basis |
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Federal Funds
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| Previous Credit Facility | One month LIBOR rate |
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| Additional disclosure |
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| Variable interest rate basis |
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LIBOR for an interest Period of one month
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| Previous Credit Facility | Revolving credit facility |
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| Additional disclosure |
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| Maximum borrowing capacity |
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225,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = rrgb_PreviousCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
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| Amounts outstanding |
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78,500,000us-gaap_LineOfCredit / us-gaap_DebtInstrumentAxis = rrgb_PreviousCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
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| Previous Credit Facility | Letter of credit |
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| Additional disclosure |
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| Maximum borrowing capacity |
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25,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = rrgb_PreviousCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LetterOfCreditMember
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| Amounts outstanding |
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8,100,000us-gaap_LineOfCredit / us-gaap_DebtInstrumentAxis = rrgb_PreviousCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LetterOfCreditMember
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| Previous Credit Facility | Swingline loans |
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| Additional disclosure |
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| Maximum borrowing capacity |
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15,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = rrgb_PreviousCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = rrgb_SwinglineLoansMember
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| New Credit Facility |
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| Additional disclosure |
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| Maximum borrowing capacity |
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20,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember
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| Additional borrowing capacity subject to lender participation |
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100,000,000rrgb_DebtInstrumentContingentIncreaseInBorrowingCapacity / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember
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| New Credit Facility | LIBOR |
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| Additional disclosure |
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| Variable interest rate basis |
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LIBOR
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| New Credit Facility | Base rate |
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| Additional disclosure |
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| Variable interest rate basis |
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Base rate
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| New Credit Facility | Prime rate |
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| Additional disclosure |
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| Variable interest rate basis |
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Prime Rate
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| New Credit Facility | Federal funds rate |
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| Additional disclosure |
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| Variable interest rate basis |
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Federal Funds
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| New Credit Facility | One month LIBOR rate |
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| Additional disclosure |
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| Variable interest rate basis |
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LIBOR for an interest Period of one month
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| New Credit Facility | Revolving credit facility |
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| Borrowings |
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| Debt and capital lease obligations |
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139,375,000us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
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79,375,000us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
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| Weighted Average Interest Rate |
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1.71%us-gaap_LongtermDebtWeightedAverageInterestRate / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
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1.73%us-gaap_LongtermDebtWeightedAverageInterestRate / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
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| Maturities of long-term debt and capital lease obligations |
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| Debt and capital lease obligations |
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139,375,000us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
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79,375,000us-gaap_DebtAndCapitalLeaseObligations / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
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| Additional disclosure |
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| Maximum borrowing capacity |
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250,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
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| Amounts outstanding |
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138,500,000us-gaap_LineOfCredit / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
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| New Credit Facility | Letter of credit |
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| Additional disclosure |
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| Maximum borrowing capacity |
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25,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LetterOfCreditMember
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| Amounts outstanding |
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8,200,000us-gaap_LineOfCredit / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LetterOfCreditMember
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| New Credit Facility | Swingline loans |
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| Additional disclosure |
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| Maximum borrowing capacity |
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15,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = rrgb_SwinglineLoansMember
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| Federal Funds Rate | Previous Credit Facility | Revolving credit facility |
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| Additional disclosure |
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| Interest rate margin (as a percent) |
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0.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = rrgb_PreviousCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_FederalFundsEffectiveSwapRateMember
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| Federal Funds Rate | New Credit Facility | Revolving credit facility |
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| Additional disclosure |
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| Interest rate margin (as a percent) |
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0.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_FederalFundsEffectiveSwapRateMember
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| LIBOR | Previous Credit Facility | Revolving credit facility |
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| Additional disclosure |
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| Interest rate margin (as a percent) |
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1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = rrgb_PreviousCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember
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| LIBOR | New Credit Facility | Revolving credit facility |
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| Additional disclosure |
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| Interest rate margin (as a percent) |
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1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember
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| Canadian Dealer Offered Rate (CDOR) | New Credit Facility | Revolving credit facility |
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| Additional disclosure |
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| Interest rate margin (as a percent) |
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1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = rrgb_CanadianDealerOfferedRateMember
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| Other assets, net | New Credit Facility |
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| Additional disclosure |
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| Loan origination costs |
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700,000us-gaap_UnamortizedDebtIssuanceExpense / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherNoncurrentAssetsMember / us-gaap_DebtInstrumentAxis = rrgb_NewCreditFacilityMember
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