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Organization and Summary of Significant Accounting Policies - Stock-Based Compensation (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 27, 2020
Dec. 29, 2019
Dec. 30, 2018
Selling, general and administrative expenses      
Significant Accounting Policies Disclosure [Line Items]      
Stock-based compensation expense, amount recognized in the consolidated financial statements $ 21.0 $ 11.0 $ 7.2
Continuing operations      
Significant Accounting Policies Disclosure [Line Items]      
Stock-based compensation expense, amount recognized in the consolidated financial statements $ 21.0 $ 11.0 $ 7.2