XML 35 R25.htm IDEA: XBRL DOCUMENT
v3.21.2

Revenue - Additional Information (Details) - USD ($) $ in Thousands | Jul. 11, 2021 | Dec. 27, 2020
--- | --- | ---
Disaggregation of Revenue [Line Items] |  |
Unearned revenue | $ 43,531 | $ 50,138
Gift card revenue |  |
Disaggregation of Revenue [Line Items] |  |
Unearned revenue | 30,765 | 38,309
Deferred loyalty revenue |  |
Disaggregation of Revenue [Line Items] |  |
Unearned revenue | $ 12,766 | $ 11,829

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 + Details
Name: | us-gaap_ContractWithCustomerLiabilityCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=rrgb_ProductsAndServicesGiftCardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=rrgb_ProductsAndServicesLoyaltyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |