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Estimated Amortization Expense for Existing Intangible Assets for Each of Five Succeeding Years (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Finite Lived Intangible Assets [Line Items]  
2015 $ 11,716
2016 11,619
2017 11,609
2018 11,140
2019 $ 10,715