Goodwill and Other Intangible Assets - Components of Other Intangible Assets and Changes in Gross Carrying Values (Detail) - USD ($) $ in Thousands		Dec. 31, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Other Finite-Lived Intangible Assets, Gross Carrying Value		$ 98,200	$ 93,734
Other Finite-Lived Intangible Assets, Accumulated Amortization		58,674	51,061
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Other Finite-Lived Intangible Assets, Gross Carrying Value		7,411	7,411
Other Finite-Lived Intangible Assets, Accumulated Amortization		7,125	7,095
Non-compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Other Finite-Lived Intangible Assets, Gross Carrying Value		379	329
Other Finite-Lived Intangible Assets, Accumulated Amortization		379	329
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Other Finite-Lived Intangible Assets, Gross Carrying Value		11,987	11,567
Other Finite-Lived Intangible Assets, Accumulated Amortization		8,942	7,749
Customer Lists/relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Other Finite-Lived Intangible Assets, Gross Carrying Value		48,489	45,341
Other Finite-Lived Intangible Assets, Accumulated Amortization		21,777	18,415
Know-how [Member]
Finite-Lived Intangible Assets [Line Items]
Other Finite-Lived Intangible Assets, Gross Carrying Value	[1]	29,934	29,086
Other Finite-Lived Intangible Assets, Accumulated Amortization	[1]	$ 20,451	$ 17,473

[1] Know-how includes intellectual property rights covering proprietary information, written formulae, trade secrets or secret processes, inventions and developmental products (whether patentable or not), discoveries, improvements, compositions, manufacturing processes, manuals, specifications and technical data.