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Defined Benefit Plans (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 2,155 $ 3,988
Interest cost 4,394 4,583
Expected return on plan assets (7,774) (8,757)
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) (185) 102
Net periodic benefit cost (1,410) (84)
Defined Benefit Plan, Service Cost 2,155 3,988
Defined Benefit Plan, Plan Assets, Contributions by Employer 3,200  
UNITED STATES    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 0 764
Interest cost 2,083 2,137
Expected return on plan assets (3,497) (4,501)
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) 0 0
Net periodic benefit cost (1,414) (1,600)
Defined Benefit Plan, Service Cost 0 764
Foreign Plan    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 2,155 3,224
Interest cost 2,311 2,446
Expected return on plan assets (4,277) (4,256)
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) (185) 102
Net periodic benefit cost 4 1,516
Defined Benefit Plan, Service Cost 2,155 3,224
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year 10,800  
Pension Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Other Nonoperating Gains (Losses) $ (3,600) $ (4,100)