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Business Acquisitions - Additional Information (Detail) € in Millions, $ in Millions |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
May 31, 2016 USD ($) | Feb. 27, 2015 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | May 31, 2016 EUR (€)
Business Acquisition [Line Items] |  |  |  |  |
Increase in long-term liabilities |  |  | $ 0.6 |  |
Increase in goodwill |  |  | $ 0.6 | $ (0.1) |
German Clinic [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Total cash consideration transferred |  | $ 20.1 |  |  |
Intangible asset amortization period for income tax purposes |  |  | 15 years |  |
Sividon Diagnostics GmbH |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Total cash consideration transferred | $ 39.0 |  |  |  |
Business combination upfront and potential in additional performance based milestones |  |  | $ 16.7 |  | € 15.0

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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=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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