Litigation - Schedule of Loss Contingencies by Contingency (Detail) - Asbestos Claims [Member]	6 Months Ended
	Jun. 30, 2026 USD ($) Claim	Jun. 30, 2025 USD ($) Claim
Loss Contingencies [Line Items]
Total claims pending at the beginning of the period	5,523	6,363
New claims served	787	636
Claims dismissed	(239)	(556)
Claims settled	(263)	(271)
Total claims pending at the end of period	5,808	6,172
Administrative closures	(2,854)	(3,022)
Total active claims at the end of the period	2,954	3,150
Gross settlement and defense costs paid in period (in 000's) | $	$ 13,356,000	$ 13,128,000
Average gross settlement and defense costs per claim resolved (in 000's) | $	$ 26,610	$ 15,870