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Employee Benefit Plan - Actuarial Assumptions (Details) - Non-U.S. Plan
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Minimum    
Actuarial assumptions, net periodic cost    
Discount rate, net periodic benefit cost 0.15% 0.90%
Inflation rate, net period benefit cost 1.00% 1.00%
Expected return on plan assets 1.25% 1.30%
Rate of salary increases, net periodic benefit cost 2.00% 2.00%
Maximum    
Actuarial assumptions, net periodic cost    
Discount rate, net periodic benefit cost 0.70% 1.80%
Inflation rate, net period benefit cost 2.00% 2.00%
Expected return on plan assets 2.00% 2.00%
Rate of salary increases, net periodic benefit cost 2.80% 2.80%