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Amortization on Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Finite-Lived Intangible Assets [Line Items]      
Amortization on intangible assets $ 4,633 $ 895 $ 1,100