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Revenues - (Contract Balance) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 29, 2021 | Dec. 30, 2020
Contract With Customer Liability [Roll Forward] |  |
Balance, December 30, 2020 | $ 20,806 |
Fees received from franchisees | 1,408 |
Revenue recognized | (2,318) |
Balance, December 29, 2021 | 19,896 | $ 20,806
Less current portion included in other current liabilities | 1,928 |
Deferred franchise revenue included in other noncurrent liabilities | $ 17,968 |
Amount of revenue recognized that was previously included in balance of obligation |  | $ 2,300

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- 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 -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 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 Reference 3: 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 + Details
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