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Retirement Plans - Defined Benefit Plan, Fair Value Measurement of Plan Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Significant Unobservable Inputs (Level 3) [Member] | Bank and Insurance Investment Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	$ 61,427	$ 66,191	$ 57,994
US Retiree Healthcare Plan [Member] | Retiree Healthcare Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	19,780	18,153	15,724
Non-U.S. Pension Plans [Member] | Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	80,750	86,587	$ 77,697
Retirement Plans [Member] | Portion at Fair Value Measurement [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	100,530	104,740
Retirement Plans [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Portion at Fair Value Measurement [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	39,103	38,549
Retirement Plans [Member] | Significant Unobservable Inputs (Level 3) [Member] | Portion at Fair Value Measurement [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	61,427	66,191
Retirement Plans [Member] | US Retiree Healthcare Plan [Member] | Retiree Healthcare Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	19,780	18,153
Retirement Plans [Member] | US Retiree Healthcare Plan [Member] | Retiree Healthcare Plan [Member] | Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	19,780	18,153
Retirement Plans [Member] | US Retiree Healthcare Plan [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Retiree Healthcare Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	19,780	18,153
Retirement Plans [Member] | US Retiree Healthcare Plan [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Retiree Healthcare Plan [Member] | Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	19,780	18,153
Retirement Plans [Member] | Non-U.S. Pension Plans [Member] | Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	80,750	86,587
Retirement Plans [Member] | Non-U.S. Pension Plans [Member] | Pension Plans [Member] | Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	18,413	18,785
Retirement Plans [Member] | Non-U.S. Pension Plans [Member] | Pension Plans [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	910	1,611
Retirement Plans [Member] | Non-U.S. Pension Plans [Member] | Pension Plans [Member] | Bank and Insurance Investment Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	61,427	66,191
Retirement Plans [Member] | Non-U.S. Pension Plans [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	19,323	20,396
Retirement Plans [Member] | Non-U.S. Pension Plans [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Pension Plans [Member] | Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	18,413	18,785
Retirement Plans [Member] | Non-U.S. Pension Plans [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Pension Plans [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	910	1,611
Retirement Plans [Member] | Non-U.S. Pension Plans [Member] | Significant Unobservable Inputs (Level 3) [Member] | Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	61,427	66,191
Retirement Plans [Member] | Non-U.S. Pension Plans [Member] | Significant Unobservable Inputs (Level 3) [Member] | Pension Plans [Member] | Bank and Insurance Investment Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	$ 61,427	$ 66,191

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Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

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