Intangible Assets and Goodwill - Goodwill by Reporting Segment (Details) $ in Millions	3 Months Ended
	Jun. 30, 2024 USD ($) reportingUnit
Goodwill [Roll Forward]
Beginning balance	$ 6,675.4
Ending balance	$ 6,681.9
Number of reporting units | reportingUnit	2
Semiconductor Products Reporting Unit
Goodwill [Roll Forward]
Beginning balance	$ 6,656.2
Immaterial additions due to acquisitions	6.5
Ending balance	6,662.7
Technology Licensing Reporting Unit
Goodwill [Roll Forward]
Beginning balance	19.2
Immaterial additions due to acquisitions	0.0
Ending balance	$ 19.2