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Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Mar. 31, 2015
Goodwill [Line Items]  
Beginning balance $ 169,181us-gaap_Goodwill
Acquisition of the clinic 16,576us-gaap_GoodwillAcquiredDuringPeriod
Translation adjustments (529)us-gaap_GoodwillTranslationAdjustments
Ending balance $ 185,228us-gaap_Goodwill