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Changes in Carrying Amount of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Mar. 31, 2014
Jun. 30, 2012
Goodwill [Line Items]    
Balance at the beginning of the period $ 56,850 $ 56,850
Current period acquisitions 109,896  
Balance at the end of the period $ 166,746 $ 56,850