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Stock-Based Awards - Other Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 27, 2020
Dec. 29, 2019
Dec. 30, 2018
Share-based Payment Arrangement [Abstract]      
Length of performance measurement period for long-term incentive compensation (in years) 3 years    
Stock-based compensation expense $ 14.4 $ 12.9 $ 13.0
Payments under long term incentive plan based on total shareholder return during year 4.0 $ 2.0 $ 3.0
Unrecognized compensation expense related to the unvested portion of our stock-based awards $ 15.0    
Weighted average years to be recognized over 1 year 5 months 1 day