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Business Acquisitions - Allocation of Consideration Transferred (Detail) - USD ($) $ in Millions | May 31, 2016 | Feb. 27, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2014
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Business Acquisition [Line Items] |  |  |  |  |
Goodwill |  |  | $ 195.3 | $ 177.2 | $ 169.2
German Clinic [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Current assets |  | $ 3.1 |  |  |
Real property |  | 20.7 |  |  |
Equipment |  | 1.6 |  |  |
Goodwill |  | 8.7 |  |  |
Current liabilities |  | (4.4) |  |  |
Long-term liabilities |  | (9.6) |  |  |
Total fair value purchase price |  | 20.1 |  |  |
Total cash consideration transferred |  | $ 20.1 |  |  |
Sividon Diagnostics GmbH |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Current assets | $ 2.7 |  |  |  |
Intangible assets | 46.2 |  |  |  |
Equipment | 0.3 |  |  |  |
Goodwill | 17.7 |  |  |  |
Current liabilities | (15.4) |  |  |  |
Total fair value purchase price | 51.5 |  |  |  |
Less: Contingent consideration | (10.5) |  |  |  |
Less: Cash acquired | (2.0) |  |  |  |
Total cash consideration transferred | $ 39.0 |  |  |  |

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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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- 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=73530397&loc=d3e4845-128472 + Details
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