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Summary of Significant Accounting Policies - Schedule of Supplemental Cash Flow Information (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 30, 2024
Apr. 01, 2023
Dec. 30, 2023
Dec. 31, 2022
Cash paid during the year for:        
Interest expense $ 11.7 $ 11.7    
Income taxes 8.5 11.0    
Operating lease liabilities 5.7 5.3    
Non-cash operating activities:        
ROU assets obtained in exchange for lease liabilities 20.6 0.6    
Non-cash investing activities:        
Unpaid purchases of property and equipment 2.7 0.7    
Unpaid strategic investments 0.2 1.2    
Non-cash financing activities:        
Unsettled common stock proceeds from option exercises 0.1 0.1    
Reconciliation of cash, cash equivalents and restricted cash:        
Cash and cash equivalents 157.6 174.1 $ 163.0  
Restricted cash 6.4 7.0    
Total cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flows $ 164.0 $ 181.1 $ 168.2 $ 209.6