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Retirement Plans - Defined Benefit Plan, Projected Benefit Obligation (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
United States [Member] | Pension Plans [Member]
Service cost			$ 0
Interest cost		$ 0	29
United States [Member] | Retiree Healthcare Plan [Member]
Projected benefit obligation, Beginning balance	$ 25,369	21,186
Service cost	884	665	499
Employee contributions	1,176	1,149
Interest cost	559	711	777
Actuarial (gains) losses	(852)	2,788
Benefits paid	(1,178)	(1,130)
Projected benefit obligation, Ending balance	25,958	25,369	21,186
Non-U.S. Pension Plans [Member] | Pension Plans [Member]
Projected benefit obligation, Beginning balance	119,590	103,366
Service cost	4,577	4,519	4,339
Employee contributions	561	514
Interest cost	1,247	1,413	1,735
Actuarial (gains) losses	(5,803)	2,624
Benefits paid	(5,334)	(1,474)
Plan amendments	69
Plan settlements	(341)	(1,449)
Currency impact	(7,642)	10,077
Projected benefit obligation, Ending balance	$ 106,924	$ 119,590	$ 103,366

X

- Definition

Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

+ References

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-Publisher FASB
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Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.

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Amount of contributions received by defined benefit plan from participant which increase benefit obligation.

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- Definition

Amount of foreign currency translation gain (loss) which (increases) decreases benefit obligation of defined benefit plan.

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Amount of cost recognized for passage of time related to defined benefit plan.

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Amount of increase (decrease) in net periodic benefit cost from effect of change in substantive term of existing defined benefit plan or initiation of new defined benefit plan.

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Amount of (increase) decrease to benefit obligation of defined benefit plan from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Includes, but is not limited to, lump-sum cash payment to participant in exchange for right to receive specified benefits, purchase of nonparticipating annuity contract and change from remeasurement.

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