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Debt Obligations (Details)
$ in Thousands, € in Millions
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
May 22, 2019
EUR (€)
May 22, 2019
USD ($)
Debt Instrument [Line Items]        
Revolving credit agreements $ 283,400 $ 270,400    
Convertible debt, carrying values 468,200 682,100    
Senior notes 682,100 682,100 € 600 $ 669,900
Other debt obligations 920 850    
Total debt obligations 1,434,635 1,456,318    
Unamortized debt issuance costs (13,729) (17,932)    
Carrying value of debt 1,420,906 1,438,386    
Short-term debt obligations and current maturities of long-term debt obligations (821) (797)    
Long-term debt obligations 1,420,085 1,437,589    
Due 2049 [Member]        
Debt Instrument [Line Items]        
Convertible debt, carrying values 468,235 452,228    
Due 2026 [Member]        
Debt Instrument [Line Items]        
Senior notes $ 682,080 $ 732,840