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Revenue - Schedule of Revenue Recognized Included in Liability Balances at Beginning of Fiscal Year (Details) - USD ($) $ in Thousands | 9 Months Ended
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Oct. 02, 2022 | Oct. 03, 2021
Gift card revenue |  |
Disaggregation of Revenue [Line Items] |  |
Gift card revenue | $ 19,788 | $ 14,448

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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 + Details
Name: | us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- 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

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