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Summary of Significant Accounting Policies - Schedule of Supplemental Cash Flow Information (Detail) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2023
Oct. 01, 2022
Dec. 31, 2022
Jan. 01, 2022
Cash paid during the year for:        
Interest expense $ 35.8 $ 11.9    
Income taxes 39.4 71.1    
Operating lease liabilities 16.0 12.0    
Non-cash operating activities:        
ROU assets obtained in exchange for lease liabilities 2.4 9.8    
Non-cash investing activities:        
Unpaid purchases of property and equipment 1.2 4.8    
Unpaid strategic investments 0.6 1.5    
Unsettled common stock proceeds from option exercises 0.5 0.0    
Reconciliation of cash, cash equivalents and restricted cash:        
Cash and cash equivalents 124.4 219.5 $ 202.9  
Restricted cash 7.9 2.6    
Total cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flows $ 132.3 $ 222.1 $ 209.6 $ 748.4