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Segment, Customers, and Geographic Information - Net Revenue from External Customers (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014
Revenue from External Customer [Line Items] |  |  |  |
Net revenue | $ 470.5 | $ 463.7 | $ 940.5 | $ 746.5
Mobile Product Applications [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Net revenue | 407.8 | 398.3 | 819.9 | 598.1
PC Product Applications [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Net revenue | $ 62.7 | $ 65.4 | $ 120.6 | $ 148.4

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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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