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Software Development Costs, net (Tables)
12 Months Ended
Dec. 31, 2020
Research and Development [Abstract]  
Schedule of software development costs, net
   December 31,
2020
   December 31,
2019
 
   (in millions) 
Software development costs  $149.6   $129.9 
Less: accumulated amortization   (107.2)   (83.0)
   $42.4   $46.9 
Schedule of estimated software amortization expense
Year ending December 31, (in millions)    
2021  $17.0 
2022   11.3 
2023   8.4 
2024   4.2 
2025   1.4 
Thereafter   0.1 
Total  $42.4