Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details)

v2.4.1.9
Goodwill and Intangible Assets (Details) (USD $)
4 Months Ended
Apr. 19, 2015
Apr. 20, 2014
Dec. 28, 2014
Goodwill      
Balance, December 28, 2014 $ 84,115,000us-gaap_Goodwill    
Translation adjustment (921,000)us-gaap_GoodwillTranslationAdjustments    
Balance, April 19, 2015 83,194,000us-gaap_Goodwill    
Impairment to intangible assets 0us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill 0us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill  
Intangible Assets      
Gross Carrying Amount 73,705,000us-gaap_FiniteLivedIntangibleAssetsGross   73,875,000us-gaap_FiniteLivedIntangibleAssetsGross
Accumulated Amortization (37,027,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization   (35,684,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Net Carrying Amount 36,678,000us-gaap_FiniteLivedIntangibleAssetsNet   38,191,000us-gaap_FiniteLivedIntangibleAssetsNet
Intangible assets, Gross Carrying Amount 78,775,000us-gaap_IntangibleAssetsGrossExcludingGoodwill   78,163,000us-gaap_IntangibleAssetsGrossExcludingGoodwill
Intangible assets, Accumulated Amortization (37,027,000)rrgb_IntangibleAssetsAccumulatedAmortization   (35,684,000)rrgb_IntangibleAssetsAccumulatedAmortization
Intangible assets, Net Carrying Amount 41,748,000us-gaap_IntangibleAssetsNetExcludingGoodwill   42,479,000us-gaap_IntangibleAssetsNetExcludingGoodwill
Aggregate amortization expense 1,300,000us-gaap_AmortizationOfIntangibleAssets 1,100,000us-gaap_AmortizationOfIntangibleAssets  
Liquor licenses and other      
Intangible Assets      
Gross Carrying Amount, Indefinite-lived intangible assets 5,070,000us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
  4,288,000us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
Accumulated Amortization, Indefinite-lived intangible assets 0rrgb_IndefiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
  0rrgb_IndefiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
Net Carrying Amount, Indefinite-lived intangible assets 5,070,000rrgb_IndefiniteLivedIntangibleAssetsNet
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
  4,288,000rrgb_IndefiniteLivedIntangibleAssetsNet
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
Franchise rights      
Intangible Assets      
Gross Carrying Amount 50,648,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_FranchiseRightsMember
  50,826,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_FranchiseRightsMember
Accumulated Amortization (21,653,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_FranchiseRightsMember
  (20,583,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_FranchiseRightsMember
Net Carrying Amount 28,995,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_FranchiseRightsMember
  30,243,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_FranchiseRightsMember
Favorable leases      
Intangible Assets      
Gross Carrying Amount 12,991,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LeaseAgreementsMember
  12,991,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LeaseAgreementsMember
Accumulated Amortization (5,755,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LeaseAgreementsMember
  (5,553,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LeaseAgreementsMember
Net Carrying Amount 7,236,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LeaseAgreementsMember
  7,438,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LeaseAgreementsMember
Liquor licenses      
Intangible Assets      
Gross Carrying Amount 10,066,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
  10,058,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
Accumulated Amortization (9,619,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
  (9,548,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
Net Carrying Amount $ 447,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
  $ 510,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember