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Acquired Intangibles - Summary of Life, Gross Carrying Value of Acquired Intangible Assets, and Related Accumulated Amortization (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jun. 27, 2020 | Jun. 29, 2019
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 398.3 | $ 445.5
Accumulated Amortization | (304.9) | (300.7)
Net Carrying Value | $ 93.4 | 144.8
Weighted Average Life in Years | 4 years 4 months 24 days |
Display Driver Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 164.0 | 164.0
Accumulated Amortization | (158.2) | (148.1)
Net Carrying Value | $ 5.8 | 15.9
Weighted Average Life in Years | 5 years 3 months 18 days |
Audio and Video Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 138.6 | 138.6
Accumulated Amortization | (76.5) | (49.4)
Net Carrying Value | $ 62.1 | 89.2
Weighted Average Life in Years | 5 years 3 months 19 days |
Fingerprint Authentication Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value |  | 47.2
Accumulated Amortization |  | (47.2)
Weighted Average Life in Years | 4 years 8 months 12 days |
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 81.8 | 81.8
Accumulated Amortization | (61.4) | (49.9)
Net Carrying Value | $ 20.4 | 31.9
Weighted Average Life in Years | 4 years 1 month 6 days |
Licensed Technology and Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 7.7 | 7.7
Accumulated Amortization | (5.5) | (3.6)
Net Carrying Value | $ 2.2 | 4.1
Weighted Average Life in Years | 4 years 2 months 12 days |
Tradename [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 1.8 | 1.8
Accumulated Amortization | (0.7) | (0.5)
Net Carrying Value | $ 1.1 | 1.3
Weighted Average Life in Years | 7 years |
Patents [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 4.4 | 4.4
Accumulated Amortization | (2.6) | (2.0)
Net Carrying Value | $ 1.8 | $ 2.4
Weighted Average Life in Years | 8 years 1 month 6 days |

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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://www.xbrl.org/2003/role/disclosureRef -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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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: 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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