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Goodwill and Intangible Assets - Amortization on Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]        
Amortization of intangible assets $ 3,135us-gaap_AmortizationOfIntangibleAssets $ 244us-gaap_AmortizationOfIntangibleAssets $ 6,485us-gaap_AmortizationOfIntangibleAssets $ 488us-gaap_AmortizationOfIntangibleAssets