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Estimated Future Amortization Expense of Purchased Intangible Asset (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]  
2014 (from July 1, 2014) $ 407
2015 814
2016 814
2017 814
2018 814
Thereafter 1,630
Total amortization expense $ 5,293