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Goodwill and Intangible Assets - Summarized Amounts Reported as Intangible Assets (Detail) - USD ($) $ in Millions | Mar. 31, 2017 | Jun. 30, 2016
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Intangible Assets [Line Items] |  |
Gross Carrying Amount, amortizable intangible assets | $ 531.6 | $ 236.4
Gross Carrying Amount, total intangible assets | 553.6 | 259.0
Accumulated Amortization | (55.5) | (31.5)
Net, amortizable intangible assets | 476.1 | 204.9
Net, total intangible assets | 498.1 | 227.5
Net, non-amortizable intangible assets | 22.0 | 22.6
In-Process Research and Development [Member] |  |
Intangible Assets [Line Items] |  |
Net, non-amortizable intangible assets | 22.0 | 22.6
Purchased Licenses and Technologies [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount, amortizable intangible assets | 523.9 | 228.7
Accumulated Amortization | (52.0) | (28.5)
Net, amortizable intangible assets | 471.9 | 200.2
Customer Relationships [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount, amortizable intangible assets | 4.7 | 4.7
Accumulated Amortization | (2.7) | (2.4)
Net, amortizable intangible assets | 2.0 | 2.3
Trademarks [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount, amortizable intangible assets | 3.0 | 3.0
Accumulated Amortization | (0.8) | (0.6)
Net, amortizable intangible assets | $ 2.2 | $ 2.4

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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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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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