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Business Acquisitions - Schedule of Purchased Intangible Assets, Microsemi (Details) - Microsemi Corporation - USD ($) $ in Millions |  | 12 Months Ended
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May 29, 2018 | Mar. 31, 2019
Business Acquisition [Line Items] |  |
Useful life (in years) | 13 years |
Purchased intangible assets | $ 5,634.5 |
Core and developed technology |  |
Business Acquisition [Line Items] |  |
Useful life (in years) | 15 years | 15 years
Purchased intangible assets | $ 4,569.1 | $ 4,570.0
Customer-related |  |
Business Acquisition [Line Items] |  |
Useful life (in years) | 12 years | 12 years
Purchased intangible assets | $ 200.2 | $ 200.2
Backlog |  |
Business Acquisition [Line Items] |  |
Useful life (in years) | 1 year | 1 year
Purchased intangible assets | $ 12.3 | $ 12.3
Other |  |
Business Acquisition [Line Items] |  |
Useful life (in years) | 4 years | 4 years
Purchased intangible assets | $ 5.8 | $ 5.8
In-process research and development |  |
Business Acquisition [Line Items] |  |
In-process research and development | $ 847.1 |

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