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SOFTWARE DEVELOPMENT COSTS AND LICENSES (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Mar. 31, 2022
Capitalized software development costs and licenses          
Software development costs and licenses, Current $ 89.0   $ 89.0   $ 81.4
Software development costs and licenses, Non-current 907.8   907.8   755.9
Impairment of software development costs and licenses 6.4 $ 55.3 23.3 $ 65.0  
Software development costs, internally developed          
Capitalized software development costs and licenses          
Software development costs and licenses, Current 68.3   68.3   59.2
Software development costs and licenses, Non-current 718.3   718.3   599.3
Software development costs, externally developed          
Capitalized software development costs and licenses          
Software development costs and licenses, Current 7.5   7.5   19.3
Software development costs and licenses, Non-current 166.0   166.0   145.2
Licenses          
Capitalized software development costs and licenses          
Software development costs and licenses, Current 13.2   13.2   2.9
Software development costs and licenses, Non-current $ 23.5   $ 23.5   $ 11.4