v3.26.1
Pension and Other Postretirement Benefits - Net Periodic Pension and Other Postretirement Benefit Costs (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Other Postretirement Benefit Plans [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 34 $ 42
Interest cost $ 88 $ 90
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Amortization of prior service credit $ (256) $ (256)
Amortization of actuarial loss (gain) $ (80) $ (78)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Net benefit expense (income) $ (214) $ (202)
U.S. [Member] | Defined Benefit Pension Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 5 7
Interest cost $ 1,989 $ 2,249
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Expected return on plan assets $ (2,493) $ (2,871)
Amortization of actuarial loss (gain) $ 266 $ 142
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Net benefit expense (income) $ (233) $ (473)
Foreign Defined Benefits Pension Plans [Member] | Defined Benefit Pension Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 9 26
Interest cost $ 48 $ 457
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Expected return on plan assets   $ (525)
Amortization of prior service credit   (70)
Amortization of actuarial loss (gain) $ 3 $ 197
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Net benefit expense (income) $ 60 $ 85