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Litigation - Schedule of Loss Contingencies by Contingency (Detail) - Asbestos Claims [Member]
 6 Months Ended
Jun. 30, 2025
USD ($)
Claim
Jun. 30, 2024
USD ($)
Claim
Loss Contingencies [Line Items]    
Total claims pending at the beginning of the period 6,363 6,310
New claims served 636 636
Claims dismissed (556) (400)
Claims settled (271) (298)
Total claims pending at the end of period 6,172 6,248
Administrative closures (3,022) (3,155)
Total active claims at the end of the period 3,150 3,093
Gross settlement and defense costs paid (in 000's | $ $ 13,128,000 $ 11,843,000
Average gross settlement and defense costs per claim resolved (in 000's) | $ $ 15,870 $ 16,970