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Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Loss Contingencies [Line Items]          
Net Litigation Related Gain (Charges) $ 2.2 $ (2.5) $ (1.1) $ (35.7)  
Accrued litigation liabilities 264.4   264.4   $ 349.2
Other Contingencies [Member]          
Loss Contingencies [Line Items]          
Loss Contingency Minimum 25.0   25.0    
Loss Contingency, Range of Possible Loss, Portion Not Accrued $ 435.0   $ 435.0