XML 49 R36.htm IDEA: XBRL DOCUMENT
v3.20.4

Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 27, 2020 | Dec. 29, 2019 | Dec. 30, 2018
Disaggregation of Revenue [Line Items] |  |  |
Revenues | $ 868,715 | $ 1,315,014 | $ 1,338,563
Restaurant revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 854,136 | 1,289,521 | 1,316,209
Franchise revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 8,853 | 17,497 | 17,409
Gift card breakage |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 4,516 | 6,776 | 3,898
Other revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | $ 1,210 | $ 1,220 | $ 1,047

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
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

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

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