SOFTWARE DEVELOPMENT COSTS AND LICENSES - Schedule of Amortization and Impairment of Software Development Costs and Licenses (Details) - USD ($) $ in Millions	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Research and Development [Abstract]
Amortization of software development costs and licenses	$ 385.9	$ 265.7	$ 207.2
Impairment of software development costs and licenses	(1.0)	77.5	109.9
Portion representing stock-based compensation	27.9	(9.4)	(24.4)
Amortization and impairment, net of stock-based compensation	$ 412.8	$ 333.8	$ 292.7

The aggregate amortization expense charged against earnings of software development costs and licenses. Also includes the amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of software development costs and licenses to net realizable value.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration