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Acquired Intangibles and Goodwill - Summary of Life, Gross Carrying Value and Related Accumulated Amortization of Acquired Intangible Assets (Detail) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangibles, Gross Carrying Value | $ 445.5 | $ 456.1
Acquired intangibles, Accumulated Amortization | (282.4) | (236.9)
Acquired intangibles, Net Carrying Value | $ 163.1 | 219.2
Weighted Average Life in Years | 4 years 4 months 24 days |
Display Driver Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangibles, Gross Carrying Value | $ 164.0 | 164.0
Acquired intangibles, Accumulated Amortization | (140.2) | (116.5)
Acquired intangibles, Net Carrying Value | $ 23.8 | 47.5
Weighted Average Life in Years | 5 years 3 months 18 days |
Audio and Video Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangibles, Gross Carrying Value | $ 138.6 | 133.9
Acquired intangibles, Accumulated Amortization | (42.5) | (22.8)
Acquired intangibles, Net Carrying Value | $ 96.1 | 111.1
Weighted Average Life in Years | 5 years 3 months 18 days |
Fingerprint Authentication Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangibles, Gross Carrying Value | $ 47.2 | 55.7
Acquired intangibles, Accumulated Amortization | $ (47.2) | (53.7)
Acquired intangibles, Net Carrying Value |  | 2.0
Weighted Average Life in Years | 4 years 8 months 12 days |
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangibles, Gross Carrying Value | $ 81.8 | 81.8
Acquired intangibles, Accumulated Amortization | (47.1) | (38.5)
Acquired intangibles, Net Carrying Value | $ 34.7 | 43.3
Weighted Average Life in Years | 4 years 1 month 6 days |
Licensed Technology and Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangibles, Gross Carrying Value | $ 7.7 | 9.0
Acquired intangibles, Accumulated Amortization | (3.1) | (3.0)
Acquired intangibles, Net Carrying Value | $ 4.6 | 6.0
Weighted Average Life in Years | 4 years 2 months 12 days |
Tradename [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangibles, Gross Carrying Value | $ 1.8 | 1.9
Acquired intangibles, Accumulated Amortization | (0.4) | (0.2)
Acquired intangibles, Net Carrying Value | $ 1.4 | 1.7
Weighted Average Life in Years | 7 years |
Patents [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangibles, Gross Carrying Value | $ 4.4 | 4.6
Acquired intangibles, Accumulated Amortization | (1.9) | (1.7)
Acquired intangibles, Net Carrying Value | $ 2.5 | 2.9
Weighted Average Life in Years | 8 years 1 month 6 days |
Backlog [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangibles, Gross Carrying Value |  | 0.5
Acquired intangibles, Accumulated Amortization |  | (0.5)
In-Process Research and Development [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangibles, Gross Carrying Value |  | 4.7
Acquired intangibles, Net Carrying Value |  | $ 4.7

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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