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v3.25.0.1

Net Sales (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2024
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total net sales | $ 1,026.0 | $ 1,765.7 | $ 3,431.1 | $ 6,308.6 |
Semiconductor products |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total net sales | 995.0 | 1,741.5 | 3,339.1 | 6,224.0 |
Deferred revenue | 806.1 |  | 806.1 |  | $ 933.0
Deferred revenue recognized |  |  | 168.2 | 82.5 |
Semiconductor products | Accrued liabilities |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred revenue, to be recognized within next 12 months | 238.0 |  | 238.0 |  | 261.8
Semiconductor products | Other noncurrent liabilities |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred revenue, non current | 568.1 |  | 568.1 |  | $ 671.2
Distributors |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total net sales | 438.7 | 767.6 | 1,531.2 | 3,001.6 |
Direct customers |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total net sales | 556.3 | 973.9 | 1,807.9 | 3,222.4 |
Licensees |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total net sales | 31.0 | 24.2 | 92.0 | 84.6 |
Mixed-signal Microcontrollers |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total net sales | 533.2 | 995.2 | 1,772.5 | 3,577.0 |
Analog |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total net sales | 272.7 | 430.6 | 895.4 | 1,687.2 |
Other |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total net sales | 220.1 | $ 339.9 | 763.2 | $ 1,044.4 |
Long Term Supply Arrangement | Semiconductor products |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred revenue | 715.8 |  | 715.8 |  |
Remaining performance obligation | $ 2,900.0 |  | $ 2,900.0 |  |
Long Term Supply Arrangement | Semiconductor products | Minimum |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Contract liability period |  |  | 3 years |  |
Long Term Supply Arrangement | Semiconductor products | Maximum |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Contract liability period |  |  | 5 years |  |
Long Term Supply Arrangement | Semiconductor products | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenue, remaining performance obligation, percentage | 26.00% |  | 26.00% |  |
Revenue, remaining performance obligation, expected timing of satisfaction, period | 12 months |  | 12 months |  |
Long Term Supply Arrangement | Semiconductor products | Accrued liabilities |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred revenue, to be recognized within next 12 months | $ 165.1 |  | $ 165.1 |  |
Long Term Supply Arrangement | Semiconductor products | Other noncurrent liabilities |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred revenue, non current | 550.7 |  | 550.7 |  |
Other Arrangement | Semiconductor products |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred revenue | $ 90.3 |  | $ 90.3 |  |

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