XML 40 R29.htm IDEA: XBRL DOCUMENT
v3.26.1

Revenue - Schedule of Changes in Unearned Revenue Balance Related to Royalty Program (Details) - USD ($) $ in Thousands | 4 Months Ended
--- | ---
Apr. 19, 2026 | Apr. 20, 2025
Movement in Deferred Revenue [Roll Forward] |  |
Unearned Royalty revenue, beginning balance | $ 27,287 |
Unearned Royalty revenue, ending balance | 16,838 |
Unearned Royalty revenue |  |
Movement in Deferred Revenue [Roll Forward] |  |
Unearned Royalty revenue, beginning balance | 3,191 | $ 2,750
Revenue deferred | 1,708 | 1,625
Revenue recognized | (1,708) | (771)
Unearned Royalty revenue, ending balance | $ 3,191 | $ 3,604

X
- Definition Contract with Customer, Liability, Additions + References No definition available. + Details
Name: | rrgb_ContractWithCustomerLiabilityAdditions
Namespace Prefix: | rrgb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Customer, Liability, Revenue Recognized, Including Opening Balance + References No definition available. + Details
Name: | rrgb_CustomerLiabilityRevenueRecognizedIncludingOpeningBalance
Namespace Prefix: | rrgb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_MovementInDeferredRevenueRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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