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Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 27, 2021
Sep. 25, 2021
Dec. 26, 2020
Reclassification [Line Items]      
Capitalized stock issuance cost     $ 9,000
Stock issuance cost $ 14,757    
IPO      
Reclassification [Line Items]      
Stock issuance cost   $ 6,000