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Software Development Costs, net (Tables)
12 Months Ended
Dec. 31, 2021
Research and Development [Abstract]  
Schedule of Software Development Costs

Software development costs, net consisted of the following:

 

   December 31,
2021
   December 31,
2020
 
   (in millions) 
Software development costs  $160.9   $149.6 
Less: accumulated amortization   (125.3)   (107.2)
Software development Costs, net  $35.6   $42.4 
Schedule of Estimated Software Amortization Expense

The estimated software amortization expense for the years ending December 31 are as follows:

 

     
Year ending December 31, (in millions)    
2022  $15.7 
2023   11.2 
2024   4.9 
2025   3.0 
2026   0.8 
Thereafter    
Total  $35.6