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Investments (Textuals) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Investments (Textuals)          
Cash surrender value of insurance contracts $ 3.1   $ 3.1   $ 4.0
Investments [Line Items]          
Other Nonoperating Income (Expense) 4.6 $ 2.7 7.2 $ 2.0  
Related Party Transaction [Line Items]          
Accounts receivable with affiliates 2.7   2.7    
Accounts payable with affiliates $ 25.1   $ 25.1    
Inspur (Suzhou) Financial Technology Service Co Ltd [Member]          
Related Party Transaction [Line Items]          
Strategic alliance, ownership percentage 48.10%   48.10%    
Aisino-Wincor Retail And Banking Systems (Shanghai) Co.,Ltd [Member]          
Related Party Transaction [Line Items]          
Strategic alliance, ownership percentage 49.00%   49.00%