Annual report pursuant to Section 13 and 15(d)

Stock Incentive Plans (Details)

v2.4.1.9
Stock Incentive Plans (Details) (USD $)
12 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Dec. 30, 2012
Share-based compensation plan disclosures      
Shares outstanding 462us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber    
Number of common shares issued per RSU 1rrgb_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSecuritiesCalledbyEachAward    
Expiration from date of grant 10 years    
Total stock-based compensation cost $ 4,200,000us-gaap_AllocatedShareBasedCompensationExpense $ 3,800,000us-gaap_AllocatedShareBasedCompensationExpense $ 3,800,000us-gaap_AllocatedShareBasedCompensationExpense
Income tax benefits from stock-based compensation cost 1,700,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 1,500,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 1,500,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
Total unrecognized compensation cost 3,900,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized    
Shares      
Outstanding, end of period (in shares) 462us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber    
Stock Options      
Share-based compensation plan disclosures      
Shares outstanding 462us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
491us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Weighted average remaining vesting period 1 year 2 months 12 days    
Shares      
Outstanding, beginning of period (in shares) 491us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Granted (in shares) 76us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Forfeited (in shares) (14)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Exercised (in shares) (91)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Outstanding, end of period (in shares) 462us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
491us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Vested and expected to vest, as of the end of the period (in shares) 427us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
[1]    
Exercisable as of the end of the period (in shares) 247us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Weighted Average Exercise Price      
Outstanding, beginning of period (in dollars per share) $ 31.78us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Granted (in dollars per share) $ 71.02us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Forfeited (in dollars per share) $ 37.06us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Exercised (in dollars per share) $ 27.91us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Outstanding, end of period (in dollars per share) $ 38.83us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
$ 31.78us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Vested and expected to vest, as of the end of the period (in dollars per share) $ 37.54us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
[1]    
Exercisable as of the end of the period (in dollars per share) $ 28.93us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Weighted Average Remaining Years of Contractual Life      
Outstanding, end of period 5 years 10 months 21 days    
Vested and expected to vest, as of the end of the period 5 years 9 months [1]    
Exercisable as of the end of the period 4 years 8 months 9 days    
Aggregate Intrinsic Value      
Outstanding, end of period (in dollars) 17,353,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Vested and expected to vest, as of the end of the period (in dollars) 16,586,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
[1]    
Exercisable as of the end of the period (in dollars) 11,754,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Weighted average assumptions used in estimation of fair value of options      
Risk-free interest rate (as a percent) 1.70%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
0.70%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
0.70%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Expected years until exercise 5 years 8 months 12 days 4 years 2 months 4 years 1 month
Expected stock volatility (as a percent) 44.60%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
44.40%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
52.80%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Dividend yield (as a percent) 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Weighted average Black-Scholes fair value per share at date of grant (in dollars per share) $ 30.70us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
$ 15.19us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
$ 14.60us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Total intrinsic value of options exercised (in dollars) 3,954,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
8,263,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
1,477,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Restricted Stock      
Share-based compensation plan disclosures      
Weighted average remaining vesting period 1 year 2 months 12 days    
2007 Stock Plan      
Share-based compensation plan disclosures      
Maximum number of shares of the company's common stock that may be issued or transferred 2,074,600us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Period following the change in control during which termination of an individual without cause will trigger vesting of award 2 years    
Shares outstanding 449,586us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Vested (in shares) 235,365rrgb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingNumber
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Shares      
Outstanding, end of period (in shares) 449,586us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Additional disclosure      
Number of shares outstanding 2,074,600us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
2007 Stock Plan | Time Based RSUs      
Share-based compensation plan disclosures      
Vesting period 4 years    
Shares      
Outstanding, beginning of period (in shares) 139us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= rrgb_TimeBasedRestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Awarded (in shares) 38us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= rrgb_TimeBasedRestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Forfeited (in shares) (6)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= rrgb_TimeBasedRestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Vested (in shares) (70)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= rrgb_TimeBasedRestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Outstanding, end of period (in shares) 101us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= rrgb_TimeBasedRestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Weighted Average Grant-Date Fair Value (per share)      
Outstanding, beginning of period (in dollars per share) $ 46.81us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= rrgb_TimeBasedRestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Granted (in dollars per share) $ 69.50us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= rrgb_TimeBasedRestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Cancelled (in dollars per share) $ 45.06us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= rrgb_TimeBasedRestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Vested (in dollars per share) $ 31.64us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= rrgb_TimeBasedRestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
Outstanding, end of period (in dollars per share) $ 49.78us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= rrgb_TimeBasedRestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
   
2007 Stock Plan | Performance-Based RSUs | Executives and other key employees      
Shares      
Outstanding, beginning of period (in shares) 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= rrgb_PerformanceBasedRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= rrgb_ExecutivesandOtherKeyEmployeesMember
   
Awarded (in shares) 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= rrgb_PerformanceBasedRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= rrgb_ExecutivesandOtherKeyEmployeesMember
31,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= rrgb_PerformanceBasedRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= rrgb_ExecutivesandOtherKeyEmployeesMember
 
Outstanding, end of period (in shares) 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= rrgb_PerformanceBasedRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= rrgb_ExecutivesandOtherKeyEmployeesMember
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= rrgb_PerformanceBasedRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= rrgb_ExecutivesandOtherKeyEmployeesMember
 
Additional disclosure      
Performance period 3 years    
Number of shares of common stock per award upon conversion 1rrgb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfCommonSharesPerAward
/ us-gaap_AwardTypeAxis
= rrgb_PerformanceBasedRSUMember
/ us-gaap_PlanNameAxis
= rrgb_PerformanceIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= rrgb_ExecutivesandOtherKeyEmployeesMember
   
Other stock-based compensation plans      
Share-based compensation plan disclosures      
Expiration term 10 years    
Shares outstanding 12,100us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= rrgb_OtherStockBasedCompensationPlanMember
   
Number of stock-based compensation plans 4rrgb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPlans
/ us-gaap_PlanNameAxis
= rrgb_OtherStockBasedCompensationPlanMember
   
Shares      
Outstanding, end of period (in shares) 12,100us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= rrgb_OtherStockBasedCompensationPlanMember
   
Other stock-based compensation plans | Minimum      
Share-based compensation plan disclosures      
Vesting period 1 year    
Other stock-based compensation plans | Maximum      
Share-based compensation plan disclosures      
Vesting period 4 years    
Long-Term Cash Incentive Plan | Deferred compensation, excluding share-based payments and retirement benefits      
Additional disclosure      
Performance and vesting period 3 years    
Compensation expense 800,000us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= us-gaap_DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefitsMember
/ us-gaap_PlanNameAxis
= rrgb_LongTermCashIncentivePlanMember
4,200,000us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= us-gaap_DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefitsMember
/ us-gaap_PlanNameAxis
= rrgb_LongTermCashIncentivePlanMember
1,500,000us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= us-gaap_DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefitsMember
/ us-gaap_PlanNameAxis
= rrgb_LongTermCashIncentivePlanMember
Payments of performance stock awards 2,400,000rrgb_PaymentsofStockAwards
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= us-gaap_DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefitsMember
/ us-gaap_PlanNameAxis
= rrgb_LongTermCashIncentivePlanMember
   
Accrued payroll liabilities and payroll-related liabilities | Long-Term Cash Incentive Plan | Deferred compensation, excluding share-based payments and retirement benefits      
Additional disclosure      
Long-term cash incentive plan liability $ 4,800,000us-gaap_DeferredCompensationCashBasedArrangementsLiabilityCurrent
/ us-gaap_BalanceSheetLocationAxis
= rrgb_AccruedPayrollLiabilitiesMember
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= us-gaap_DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefitsMember
/ us-gaap_PlanNameAxis
= rrgb_LongTermCashIncentivePlanMember
$ 6,400,000us-gaap_DeferredCompensationCashBasedArrangementsLiabilityCurrent
/ us-gaap_BalanceSheetLocationAxis
= rrgb_AccruedPayrollLiabilitiesMember
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= us-gaap_DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefitsMember
/ us-gaap_PlanNameAxis
= rrgb_LongTermCashIncentivePlanMember
 
[1] The expected to vest options are the result of applying the pre-vesting forfeiture rate assumption to total outstanding options.