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Business Acquisitions - Allocation of Consideration Transferred (Detail) - USD ($) $ in Millions | Jun. 30, 2015 | Feb. 27, 2015 | Jun. 30, 2014 | Jun. 30, 2013
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Business Acquisition [Line Items] |  |  |  |
Goodwill | $ 177.2 |  | $ 169.2 | $ 56.9
German Clinic [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Current assets |  | $ 3.1 |  |
Real property |  | 20.7 |  |
Equipment |  | 1.6 |  |
Goodwill |  | 8.1 |  |
Current liabilities |  | (4.4) |  |
Long-term liabilities |  | (9.0) |  |
Total purchase price |  | $ 20.1 |  |

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- Definition Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date. + 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=56956791&loc=d3e4845-128472 + Details
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- Definition Amount of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment, acquired at the acquisition date. + 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=56956791&loc=d3e4845-128472 + Details
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- Definition Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed. + 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=56956791&loc=d3e4845-128472 + Details
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