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

Fair Value Measurements (Details )

v2.4.1.9

Fair Value Measurements (Details ) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 29, 2013 restaurant	Dec. 28, 2014 restaurant	Dec. 29, 2013 restaurant	Dec. 30, 2012 restaurant
Asset Impairment
Number of restaurants impaired	4rrgb_NumberOfRestaurantsImpaired	3rrgb_NumberOfRestaurantsImpaired	4rrgb_NumberOfRestaurantsImpaired	4rrgb_NumberOfRestaurantsImpaired
Carrying amount
Disclosures of Fair Value of Other Assets and Liabilities
Credit facility	78.5	138.5	78.5
Capital lease obligations	9.3	8.5	9.3
Fair value \| Level 2
Disclosures of Fair Value of Other Assets and Liabilities
Credit facility	78.4	138.4	78.4
Capital lease obligations	10.9	10.0	10.9
Other assets, net \| Level 1
Disclosures of Fair Value of Other Assets and Liabilities
Investments in the rabbi trust	3.8	5.7	3.8

- Definition

Deferred Compensation Plan Assets, Fair Value Disclosure

+ References

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- Definition

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+ References

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- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13476-108611

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