Defined Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 2,116	$ 4,079	$ 4,271	$ 8,067
Interest cost	4,341	4,455	8,735	9,037
Expected return on plan assets	(7,671)	(8,692)	(15,445)	(17,447)
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)	(183)	106	(368)	207
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0	(19)	0	(19)
Net periodic benefit cost	(1,397)	(71)	(2,807)	(155)
Defined Benefit Plan, Service Cost	2,116	4,079	4,271	8,067
Defined Benefit Plan, Plan Assets, Contributions by Employer			8,000
UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	763	0	1,527
Interest cost	2,083	1,941	4,166	4,077
Expected return on plan assets	(3,497)	(4,327)	(6,994)	(8,827)
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)	0	0	0	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0	(19)	0	(19)
Net periodic benefit cost	(1,414)	(1,642)	(2,828)	(3,242)
Defined Benefit Plan, Service Cost	0	763	0	1,527
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	2,116	3,316	4,271	6,540
Interest cost	2,258	2,514	4,569	4,960
Expected return on plan assets	(4,174)	(4,365)	(8,451)	(8,620)
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)	(183)	106	(368)	207
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0	0	0	0
Net periodic benefit cost	17	1,571	21	3,087
Defined Benefit Plan, Service Cost	2,116	3,316	4,271	6,540
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year	10,800		10,800
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Nonoperating Gains (Losses)	$ (3,500)	$ (4,200)	$ (7,100)	$ (8,200)