Segment Information - Net Sales and Gross Profit (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Segment reporting information [Line Items]
Net Sales	$ 1,963.6	$ 1,569.4
Gross Profit	1,309.9	1,007.6
Semiconductor products
Segment reporting information [Line Items]
Net Sales	1,925.7	1,542.0
Gross Profit	1,272.0	980.2
Technology licensing
Segment reporting information [Line Items]
Net Sales	37.9	27.4
Gross Profit	$ 37.9	$ 27.4