CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (257.0)	$ 10.2	$ (361.0)	$ 162.5
Other comprehensive (loss) income:
Foreign currency translation adjustment	(116.3)	(16.7)	(179.1)	(10.6)
Change in fair value of available for sale securities	0.5	(0.2)	0.1	(0.4)
Other comprehensive (loss) income	(115.8)	(16.9)	(179.0)	(11.0)
Comprehensive (loss) income	$ (372.8)	$ (6.7)	$ (540.0)	$ 151.5