CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 1,963.6	$ 1,569.4
Cost of sales	653.7	561.8
Gross profit	1,309.9	1,007.6
Research and development	269.0	238.4
Selling, general and administrative	188.9	174.3
Amortization of acquired intangible assets	167.6	215.6
Special (income) charges and other, net	(16.9)	10.5
Operating expenses	608.6	638.8
Operating income	701.3	368.8
Other income (expense):
Interest income	0.1	0.3
Interest expense	(50.3)	(72.3)
Loss on settlement of debt	(6.2)	(0.3)
Other income, net	1.7	0.5
Income before income taxes	646.6	297.0
Income tax provision	139.4	44.2
Net income	$ 507.2	$ 252.8
Basic net income per common share (in dollars per share)	$ 0.92	$ 0.46
Diluted net income per common share (in dollars per share)	0.90	0.45
Dividends declared per common share (in dollars per share)	$ 0.2760	$ 0.2065
Basic common shares outstanding (in shares)	553.8	547.5
Diluted common shares outstanding (in shares)	561.5	565.1