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Revenues - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 30, 2022 | Dec. 29, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |
Liability balance | $ 1,928 |
Deferred revenue recognized |  | $ 600
Gift Card Redemption |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |
Liability balance | 5,800 | $ 7,200
Deferred revenue recognized | 200 |
Kitchen Equipment Rollout For Franchise Restaurants |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |
Equipment purchase contract | 18,300 |
Amount committed by the company | 5,700 |
Purchase obligations | 9,200 |
Inventory related to kitchen equipment rollout | 8,400 |
Contract assets | 700 |
Kitchen Equipment Rollout For Franchise Restaurants | Accounts Payable |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |
Purchase obligations | $ 1,600 |

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