Red Robin Gourmet Burgers, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets (Details)

Goodwill and Intangible Assets (Details) (USD $)	3 Months Ended	12 Months Ended
Goodwill and Intangible Assets (Details) (USD $)	Dec. 29, 2013 restaurant	Dec. 28, 2014 restaurant	Dec. 29, 2013 restaurant	Dec. 30, 2012 restaurant
Goodwill
Balance at beginning of year		$ 62,525,000us-gaap_Goodwill	$ 62,525,000us-gaap_Goodwill
Acquisitions		22,953,000us-gaap_GoodwillAcquiredDuringPeriod	0us-gaap_GoodwillAcquiredDuringPeriod
Translation adjustment		(1,363,000)us-gaap_GoodwillTranslationAdjustments	0us-gaap_GoodwillTranslationAdjustments
Balance at end of year	62,525,000us-gaap_Goodwill	84,115,000us-gaap_Goodwill	62,525,000us-gaap_Goodwill	62,525,000us-gaap_Goodwill
Foreign		(1,039,000)	0	0
Schedule of Intangible Assets [Line Items]
Gross Carrying Amount	65,730,000	73,875,000	65,730,000
Accumulated Amortization	(31,775,000)	(35,684,000)	(31,775,000)
Net Carrying Amount	33,955,000us-gaap_FiniteLivedIntangibleAssetsNet	38,191,000us-gaap_FiniteLivedIntangibleAssetsNet	33,955,000us-gaap_FiniteLivedIntangibleAssetsNet
Intangible assets, Gross Carrying Amount	68,575,000	78,163,000	68,575,000
Intangible assets, Accumulated Amortization	(31,775,000)	(35,684,000)	(31,775,000)
Intangible assets, Net Carrying Amount	36,800,000	42,479,000	36,800,000
Number of restaurants impaired	4rrgb_NumberOfRestaurantsImpaired	3rrgb_NumberOfRestaurantsImpaired	4rrgb_NumberOfRestaurantsImpaired	4rrgb_NumberOfRestaurantsImpaired
Aggregate amortization expense		3,900,000us-gaap_AmortizationOfIntangibleAssets	3,700,000us-gaap_AmortizationOfIntangibleAssets	4,600,000us-gaap_AmortizationOfIntangibleAssets
Liquor licenses
Schedule of Intangible Assets [Line Items]
Gross Carrying Amount, Indefinite-lived intangible assets	2,845,000	4,288,000	2,845,000
Accumulated Amortization, Indefinite-lived intangible assets	0	0	0
Net Carrying Amount, Indefinite-lived intangible assets	2,845,000	4,288,000	2,845,000
Franchise rights
Schedule of Intangible Assets [Line Items]
Gross Carrying Amount	43,330,000	50,826,000	43,330,000
Accumulated Amortization	(17,622,000)	(20,583,000)	(17,622,000)
Net Carrying Amount	25,708,000	30,243,000	25,708,000
Leasehold interests
Schedule of Intangible Assets [Line Items]
Gross Carrying Amount	12,476,000	12,991,000	12,476,000
Accumulated Amortization	(4,875,000)	(5,553,000)	(4,875,000)
Net Carrying Amount	7,601,000	7,438,000	7,601,000
Liquor licenses
Schedule of Intangible Assets [Line Items]
Gross Carrying Amount	9,924,000	10,058,000	9,924,000
Accumulated Amortization	(9,278,000)	(9,548,000)	(9,278,000)
Net Carrying Amount	$ 646,000	$ 510,000	$ 646,000