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Organization and Summary of Significant Accounting Policies - Allowance for Doubtful Accounts (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 26, 2021
Dec. 27, 2020
Dec. 29, 2019
Allowance for Doubtful Accounts      
Provisions $ 0.2 $ 0.0 $ 0.2
Allowance for Doubtful Accounts      
Allowance for Doubtful Accounts      
Balance at Beginning of Year 1.8 1.9 2.3
Provisions (0.2) 0.0 (0.2)
Write-offs/ Recoveries (1.2) (0.1) (0.2)
Balance at End of Year $ 0.4 $ 1.8 $ 1.9