Commitments and Contingencies - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Loss Contingencies [Line Items]
Net Litigation Related Charges	$ 3,100,000	$ 3,800,000	$ 10,400,000	$ 8,300,000
Accrued litigation liabilities	146,600,000		146,600,000		$ 156,400,000
Other Contingencies [Member]
Loss Contingencies [Line Items]
Loss Contingency Minimum	0		0
Loss Contingency, Range of Possible Loss, Portion Not Accrued	$ 325,000,000		$ 325,000,000