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Pension and Postretirement Benefits (Details Textual)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
plan
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Defined Benefit Plan Disclosure [Line Items]      
Defined contribution plan expense $ 19,900 $ 20,000 $ 20,400
Postretirement Medical Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 2.83% 2.32% 3.27%
Company contributions $ 3,300 $ 3,200 $ 2,900
Assumed rate of increase in medical costs 7.00% 7.00% 7.50%
Minimum medical cost rate to be acheived 5.00%    
United States | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 3.00% 2.62% 3.41%
Long-term rate of return on assets 6.00% 6.00% 6.00%
Company contributions $ 20,599 $ 1,412  
United States | Pension Plan | Minimum      
Defined Benefit Plan Disclosure [Line Items]      
Estimated contributions in the next year $ 20,000    
United States | Equity Securities      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets, target allocation (as a percent) 42.00%    
United States | Fixed Income      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets, target allocation (as a percent) 57.00%    
United States | Fixed Income | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets, target allocation (as a percent) 57.00% 57.00%  
Plan assets, actual allocation (as a percent) 57.00% 56.00%  
Foreign Plan      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate     1.61%
Long-term rate of return on assets     3.37%
Foreign Plan | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 1.71% 1.23%  
Long-term rate of return on assets 2.37% 2.37%  
Company contributions $ 11,964 $ 11,279  
Estimated contributions in the next year $ 2,000    
Number of plans Non-US Assets | plan 2    
Foreign Plan | Fixed Income | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets, target allocation (as a percent) 51.00% 51.00%  
Plan assets, actual allocation (as a percent) 51.00% 51.00%  
Foreign Plan | U.K. , the Netherlands and Canadian Plan Assets | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets, actual allocation (as a percent) 93.00%