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Property, Equipment and Software, net
 3 Months Ended
Mar. 31, 2023
Property, Plant and Equipment [Abstract]  
Property, Equipment and Software, net Property, Equipment and Software, net
 
Property, equipment and software, net, consisted of the following: 
(In millions)December 31,
2022		March 31,
2023
Computers and equipment$1,131.2 $1,167.5 
Software464.2 458.8 
Furniture and fixtures15.8 16.4 
Buildings and leasehold improvements 402.2 407.6 
Property, equipment and software, at cost2,013.4 2,050.3 
Less: Accumulated depreciation (1,400.3)(1,414.3)
Work in process15.2 15.1 
Property, equipment and software, net$628.3 $651.1