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v3.25.1

Net Sales (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | $ 4,401.6 | $ 7,634.4 | $ 8,438.7
Semiconductor products |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 4,270.5 | 7,531.1 | 8,277.7
Deferred revenue | 597.9 | 933.0 |
Deferred revenue recognized | 217.2 | 126.1 |
Semiconductor products | Accrued liabilities |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Deferred revenue, to be recognized within next 12 months | 213.4 | 261.8 |
Semiconductor products | Other noncurrent liabilities |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Deferred revenue, non current | 384.5 | 671.2 |
Distributors |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 1,970.0 | 3,620.8 | 3,993.6
Direct customers |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 2,300.5 | 3,910.3 | 4,284.1
Licensees |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 131.1 | 103.3 | 161.0
Mixed-signal Microcontrollers |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 2,249.7 | 4,272.4 | 4,755.7
Analog |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 1,157.0 | 2,016.4 | 2,376.9
Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 994.9 | $ 1,345.6 | $ 1,306.1
Long Term Supply Arrangement | Semiconductor products |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Deferred revenue | 501.5 |  |
Remaining performance obligation | $ 2,520.0 |  |
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]: 2025-04-01 |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue, remaining performance obligation, percentage | 28.00% |  |
Revenue, remaining performance obligation, expected timing of satisfaction, period | 12 months |  |
Long Term Supply Arrangement | Semiconductor products | Accrued liabilities |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Deferred revenue, to be recognized within next 12 months | $ 138.3 |  |
Long Term Supply Arrangement | Semiconductor products | Other noncurrent liabilities |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Deferred revenue, non current | 363.2 |  |
Other Arrangement | Semiconductor products |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Deferred revenue | $ 96.4 |  |

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