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Goodwill and Intangible Assets - Amortization on Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Finite-Lived Intangible Assets [Line Items]        
Amortization of intangible assets $ 3,136us-gaap_AmortizationOfIntangibleAssets $ 1,146us-gaap_AmortizationOfIntangibleAssets $ 9,621us-gaap_AmortizationOfIntangibleAssets $ 1,634us-gaap_AmortizationOfIntangibleAssets