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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