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v3.20.1

Intangible Assets and Goodwill - Intangible Assets, by Major Class (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019
Finite-Lived Intangible Assets [Line Items] |  |
Accumulated Amortization | $ (2,668.0) | $ (1,659.8)
Gross Amount | 8,370.3 | 8,345.4
Net Amount | 5,702.3 | 6,685.6
Projected Amortization Expense |  |
2021 | 985.8 |
2022 | 903.3 |
2023 | 693.1 |
2024 | 617.6 |
2025 | $ 501.4 |
Minimum |  |
Projected Amortization Expense |  |
Useful life | 1 year |
Maximum |  |
Projected Amortization Expense |  |
Useful life | 15 years |
In-process research and development |  |
Indefinite-lived Intangible Assets [Line Items] |  |
In-process research and development | $ 8.8 | 7.7
Core and developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | 7,331.9 | 7,339.2
Accumulated Amortization | (1,924.6) | (1,102.2)
Net Amount | 5,407.3 | 6,237.0
Customer-related |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | 903.6 | 917.1
Accumulated Amortization | (674.7) | (544.0)
Net Amount | 228.9 | 373.1
Distribution rights and other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Amount | 126.0 | 81.4
Accumulated Amortization | (68.7) | (13.6)
Net Amount | $ 57.3 | $ 67.8

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