CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings/(Accumulated Deficit)	Accumulated Other Comprehensive Loss
Common stock, beginning balance (in shares) at Mar. 31, 2025		200.8
Beginning balance at Mar. 31, 2025	$ 2,137.7	$ 2.0	$ 10,312.0	$ (1,020.6)	$ (7,058.8)	$ (96.9)
Treasury stock, beginning balance (in shares) at Mar. 31, 2025				(23.7)
Net loss	(11.9)				(11.9)
Change in cumulative foreign currency translation adjustment	82.9					82.9
Stock-based compensation	54.3		54.3
Issuance of restricted stock, net of forfeitures and cancellations (in shares)		1.6
Net share settlement of restricted stock awards	(1.3)		(1.3)
Employee share purchase plan settlement (in shares)		0.2
Employee share purchase plan settlement	26.8		26.8
Issuance of common stock (in shares)		5.5
Issuance of common stock	1,192.8	$ 0.1	1,192.7
Other changes, net	(0.4)		(0.4)
Common stock, ending balance (in shares) at Jun. 30, 2025		208.1
Ending balance at Jun. 30, 2025	$ 3,480.9	$ 2.1	11,584.1	$ (1,020.6)	(7,070.7)	(14.0)
Treasury stock, ending balance (in shares) at Jun. 30, 2025				(23.7)
Common stock, beginning balance (in shares) at Mar. 31, 2026	185.4	209.1
Beginning balance at Mar. 31, 2026	$ 3,510.9	$ 2.1	11,953.7	$ (1,020.6)	(7,357.0)	(67.3)
Treasury stock, beginning balance (in shares) at Mar. 31, 2026	(23.7)			(23.7)
Net loss	$ (34.1)				(34.1)
Change in cumulative foreign currency translation adjustment	(10.5)					(10.5)
Stock-based compensation	111.3		111.3
Issuance of restricted stock, net of forfeitures and cancellations (in shares)		1.4
Net share settlement of restricted stock awards	(1.3)		(1.3)
Employee share purchase plan settlement (in shares)		0.2
Employee share purchase plan settlement	31.8		31.8
Other changes, net	$ 0.3		0.3
Common stock, ending balance (in shares) at Jun. 30, 2026	187.0	210.7
Ending balance at Jun. 30, 2026	$ 3,608.4	$ 2.1	$ 12,095.8	$ (1,020.6)	$ (7,391.1)	$ (77.8)
Treasury stock, ending balance (in shares) at Jun. 30, 2026	(23.7)			(23.7)