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Software Development Costs, Net (Details 1) - USD ($)
$ in Millions
Jun. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Research and Development [Abstract]      
2019 (nine months)   $ 7.7  
2020   14.1  
2021   9.2  
2022   4.4  
2023   2.0  
Thereafter   0.7  
Software development costs, net $ 38.1 $ 38.1 $ 40.0