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Goodwill and Other Assets (Textuals) (Details)
$ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Number of Reportable Segments 3    
Amortization of internally-developed software $ 7.2 $ 8.6  
Amortization 33.2 $ 37.1  
Rest of World Retail Reporting Unit [Member]      
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount $ 0.0   $ 0.0