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Intangible Assets and Goodwill - Goodwill by Reporting Segment (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) unit | Jun. 30, 2021 USD ($)
Goodwill By Reporting Segment [Line Items] |  |
Goodwill | $ 6,670.6 | $ 6,670.6
Number of reporting units | unit | 2 |
Semiconductor Products Reporting Unit |  |
Goodwill By Reporting Segment [Line Items] |  |
Goodwill |  | 6,651.4
Technology Licensing Reporting Unit |  |
Goodwill By Reporting Segment [Line Items] |  |
Goodwill |  | $ 19.2

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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