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v3.23.1

Intangible Assets and Goodwill - Goodwill by Reporting Segment (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Mar. 31, 2023 USD ($) reporting_unit | Mar. 31, 2022 USD ($) | Mar. 31, 2021 USD ($)
Goodwill By Reporting Segment [Line Items] |  |  |
Goodwill | $ 6,673.6 | $ 6,673.6 |
Number of reporting units | reporting_unit | 2 |  |
Semiconductor Products Reporting Unit |  |  |
Goodwill By Reporting Segment [Line Items] |  |  |
Goodwill | $ 6,654.4 | 6,654.4 | $ 6,651.4
Additions | 0.0 | 3.0 |
Technology Licensing Reporting Unit |  |  |
Goodwill By Reporting Segment [Line Items] |  |  |
Goodwill | 19.2 | 19.2 | $ 19.2
Additions | $ 0.0 | $ 0.0 |

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