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Goodwill and Intangible Assets - Summarized Amounts Reported as Intangible Assets (Detail) - USD ($) $ in Millions | Jun. 30, 2016 | Jun. 30, 2015
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Intangible Assets [Line Items] |  |
Gross Carrying Amount, amortizable intangible assets | $ 236.4 | $ 206.8
Gross Carrying Amount, total intangible assets | 259.0 | 211.6
Accumulated Amortization | (31.5) | (19.0)
Net, amortizable intangible assets | 204.9 | 187.8
Net, total intangible assets | 227.5 | 192.6
Net, non-amortizable intangible assets | 22.6 | 4.8
In-Process Research and Development |  |
Intangible Assets [Line Items] |  |
Net, non-amortizable intangible assets | 22.6 | 4.8
Purchased Licenses and Technologies |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount, amortizable intangible assets | 228.7 | 199.1
Accumulated Amortization | (28.5) | (16.7)
Net, amortizable intangible assets | 200.2 | 182.4
Customer Relationships |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount, amortizable intangible assets | 4.7 | 4.7
Accumulated Amortization | (2.4) | (1.9)
Net, amortizable intangible assets | 2.3 | 2.8
Trademarks |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount, amortizable intangible assets | 3.0 | 3.0
Accumulated Amortization | (0.6) | (0.4)
Net, amortizable intangible assets | $ 2.4 | $ 2.6

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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/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=66006027&loc=d3e16323-109275 + Details
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