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Goodwill and Intangible Assets - Summarized Amounts Reported as Intangible Assets (Details) - USD ($) $ in Millions | Sep. 30, 2020 | Jun. 30, 2020
--- | --- | ---
Intangible Assets [Line Items] |  |
Gross Carrying Amount, amortizable | $ 824.3 | $ 823.2
Accumulated Amortization | (238.2) | (222.7)
Net, amortizable | 586.1 | 600.5
Non-amortizable | 4.8 | 4.8
Gross Carrying Amount, total | 829.1 | 828.0
Net, total | 590.9 | 605.3
Purchased licenses and technologies |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount, amortizable | 816.6 | 815.6
Accumulated Amortization | (232.4) | (217.1)
Net, amortizable | 584.2 | 598.5
Customer relationships |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount, amortizable | 4.7 | 4.6
Accumulated Amortization | (4.4) | (4.2)
Net, amortizable | 0.3 | 0.4
Trademarks |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount, amortizable | 3.0 | 3.0
Accumulated Amortization | (1.4) | (1.4)
Net, amortizable | 1.6 | 1.6
In-process research and development |  |
Intangible Assets [Line Items] |  |
Non-amortizable | $ 4.8 | $ 4.8

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