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Litigation - Schedule of Loss Contingencies by Contingency (Detail) - Asbestos Claims [Member]
 9 Months Ended
Sep. 30, 2025
USD ($)
Claim
Sep. 30, 2024
USD ($)
Claim
Loss Contingencies [Line Items]    
Total claims pending at the beginning of the period 6,363 6,310
New claims served 998 950
Claims dismissed (1,189) (517)
Claims settled (489) (419)
Total claims pending at the end of period 5,683 6,324
Administrative closures (2,889) (3,117)
Total active claims at the end of the period 2,794 3,207
Gross settlement and defense costs paid (in 000's | $ $ 20,859,000 $ 18,610,000
Average gross settlement and defense costs per claim resolved (in 000's) | $ $ 12,430 $ 19,880