v3.26.1
Commitments and Contingencies (Summary of Estimated Loss from Hurricane) (Detail) - Loss from Catastrophes
$ in Millions
 3 Months Ended
Mar. 31, 2025
USD ($)
Loss Contingencies [Line Items]  
Loss from natural disaster, net of insurance recoveries $ 0.0
Insurance recoveries to be received 5.6
Movement in Loss Contingency Receivable, Increase (Decrease) [Roll Forward]  
Insurance recoveries receivable, net of deductible, beginning balance 2.8
Loss from natural disaster, net of insurance recoveries 0.0
Insurance recoveries receivable, net of deductible, ending balance 8.4
Loss Contingency Accrual, Period Increase (Decrease) 5.6
Site clean-up and remediation costs  
Movement in Loss Contingency Receivable, Increase (Decrease) [Roll Forward]  
Loss Contingency Accrual, Period Increase (Decrease) 4.6
Impairment and Repairs of property, plant and equipment  
Movement in Loss Contingency Receivable, Increase (Decrease) [Roll Forward]  
Loss Contingency Accrual, Period Increase (Decrease) 0.7
Impairment and rework of inventory  
Movement in Loss Contingency Receivable, Increase (Decrease) [Roll Forward]  
Loss Contingency Accrual, Period Increase (Decrease) 0.1
Other  
Movement in Loss Contingency Receivable, Increase (Decrease) [Roll Forward]  
Loss Contingency Accrual, Period Increase (Decrease) $ 0.2