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Acquired Intangibles - Summary of Life, Gross Carrying Value of Acquired Intangible Assets, and Related Accumulated Amortization (Detail) - USD ($) $ in Millions | Jun. 30, 2015 | Jun. 27, 2015 | Jun. 28, 2014
--- | --- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired intangibles, gross |  | $ 330.6 | $ 90.5
Accumulated amortization |  | (95.2) | (8.4)
Acquired intangibles, net |  | 235.4 | 82.1
Subsequent Event [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life in Years | 4 years 2 months 12 days |  |
Display Driver Developed Technology [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired intangibles, gross |  | 164.0 |
Display Driver Developed Technology [Member] | Subsequent Event [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life in Years | 5 years 3 months 18 days |  |
Fingerprint Developed Technology [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired intangibles, gross |  | 75.6 | 18.6
Fingerprint Developed Technology [Member] | Subsequent Event [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life in Years | 3 years 7 months 6 days |  |
Thin Touch Developed Technology [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired intangibles, gross |  | 8.9 | 8.9
Thin Touch Developed Technology [Member] | Subsequent Event [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life in Years | 7 years |  |
Customer Relationships [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired intangibles, gross |  | 48.4 | 3.8
Customer Relationships [Member] | Subsequent Event [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life in Years | 2 years 9 months 18 days |  |
Licensed Technology and Other [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired intangibles, gross |  | 1.3 | 1.3
Licensed Technology and Other [Member] | Subsequent Event [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life in Years | 5 years |  |
Backlog [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired intangibles, gross |  | 10.3 | 0.8
Backlog [Member] | Subsequent Event [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life in Years | 3 months 18 days |  |
Patents [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired intangibles, gross |  | 0.1 | 0.1
Patents [Member] | Subsequent Event [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life in Years | 5 years |  |
Supplier Arrangement [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired intangibles, gross |  | $ 22.0 |
Supplier Arrangement [Member] | Subsequent Event [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life in Years | 1 year 9 months 18 days |  |
In-Process Research and Development [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Acquired intangibles, gross |  |  | $ 57.0

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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