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Investments (Textuals) (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Related Party Transaction [Line Items]    
Accounts receivable with affiliates $ 8.8  
Accounts payable with affiliates 17.6  
Investments (Textuals)    
Cash surrender value of insurance contracts $ 13.2 $ 15.2
Inspur (Suzhou) Financial Technology Service Co Ltd [Member]    
Related Party Transaction [Line Items]    
Strategic alliance, ownership percentage 40.00%  
Aisino-Wincor Retail And Banking Systems (Shanghai) Co.,Ltd [Member]    
Related Party Transaction [Line Items]    
Strategic alliance, ownership percentage 43.60%