CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Net sales	$ 1,075.5	$ 1,241.3
Cost of sales	498.8	504.4
Gross profit	576.7	736.9
Research and development	255.5	241.7
Selling, general and administrative	159.3	150.5
Amortization of acquired intangible assets	107.6	123.0
Special charges and other, net	22.2	2.6
Operating expenses	544.6	517.8
Operating income	32.1	219.1
Interest income	4.9	2.8
Interest expense	(57.4)	(61.8)
Other income, net	4.6	1.7
(Loss) income before income taxes	(15.8)	161.8
Income tax provision	2.8	32.5
Net (loss) income	(18.6)	129.3
Dividends on Series A Preferred Stock	(27.8)	0.0
Net (loss) income attributable to common stockholders	$ (46.4)	$ 129.3
Basic net (loss) income per common share (in dollars per share)	$ (0.09)	$ 0.24
Diluted net (loss) income per common share (in dollars per share)	(0.09)	0.24
Dividends declared per common share (in dollars per share)	$ 0.455	$ 0.452
Basic common shares outstanding (in shares)	539.2	536.7
Diluted common shares outstanding (in shares)	539.2	542.8