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Business Acquisitions - Additional Information (Detail) € in Millions, $ in Millions | 1 Months Ended | 10 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Aug. 31, 2016 USD ($) Milestone | May 31, 2016 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | May 31, 2016 EUR (€)
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash payment on acquisition |  |  |  | $ 216.1 | $ 37.0 | $ 20.1 |
Goodwill |  |  | $ 316.1 | 316.1 | 195.3 | $ 177.2 |
Increase in goodwill due to working capital adjustment |  |  |  | 3.6 | $ 0.6 |  |
Decrease in contingent consideration |  |  |  | 0.8 |  |  |
Assurex [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Total consideration transferred | $ 351.6 |  | 351.6 | 351.6 |  |  |
Business acquisition, net cash acquired | 5.5 |  | 5.5 | 5.5 |  |  |
Cash payment on acquisition | $ 216.1 |  |  | 216.1 |  |  |
Number of potential performance-based milestones | Milestone | 2 |  |  |  |  |  |
Additional payments upon completion of performance based milestones | $ 185.0 |  |  |  |  |  |
Contingent consideration | 130.0 |  | 130.0 | $ 130.0 |  |  |
Contingent consideration, valuation method |  |  |  | The fair value of the performance-based milestones was determined by using the Monte Carlo method. |  |  |
Amount of cash consideration deposited in escrow account | 19.1 |  |  |  |  |  |
Goodwill | $ 116.3 |  | 119.1 | $ 119.1 |  |  |
Amount transfers into goodwill |  |  | 1.7 | 1.7 |  |  |
Increase in goodwill due to working capital adjustment |  |  | 3.1 | 3.1 |  |  |
Decrease in deferred tax liability due to a change in blended state tax rate and changes in the pre-acquisition deferred tax liabilities |  |  |  | (2.0) |  |  |
Decrease in goodwill due to a change in blended state tax rate and changes in the pre-acquisition deferred tax liabilities |  |  | (2.0) | (2.0) |  |  |
Acquired intangible assets |  |  | 295.6 | $ 295.6 |  |  |
Estimated net cash flows, discount rate |  |  |  | 16.00% |  |  |
Acquisition costs |  |  | 5.0 | $ 5.0 |  |  |
Revenue contributed by acquired entity |  |  |  | 78.4 |  |  |
Operating expenses related to acquired entity |  |  |  | 96.4 |  |  |
Assurex [Member] | Developed Technology [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Acquired intangible assets |  |  | 256.5 | $ 256.5 |  |  |
Intangible assets estimated useful lives |  |  |  | 17 years |  |  |
Assurex [Member] | Database [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Acquired intangible assets |  |  | 39.1 | $ 39.1 |  |  |
Intangible assets estimated useful lives |  |  |  | 5 years |  |  |
Sividon Diagnostics GmbH [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Total consideration transferred |  | $ 51.9 |  |  |  |  |
Business acquisition, net cash acquired |  | 2.0 |  |  |  |  |
Cash payment on acquisition |  | 39.0 |  |  |  |  |
Contingent consideration |  | 10.9 |  |  |  |  |
Goodwill |  | 18.5 |  |  |  |  |
Acquired intangible assets |  | $ 45.8 |  |  |  |  |
Business combination upfront and potential in additional performance based milestones |  |  | $ 17.1 | $ 17.1 |  |  | € 15.0
Decrease in contingent consideration |  |  |  | 0.4 |  |  |
Decrease in intangibles |  |  |  | 0.4 |  |  |
Increase in goodwill |  |  |  | $ 0.8 |  |  |

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- Definition This item represents management's methodology (for example, procedures or techniques) for estimating the range of outcomes for a liability assumed in a business combination arising from an item of contingent consideration for which a change in the range of outcomes has been recognized during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
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