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Purchased Intangibles - Schedule of Expected Annual Aggregate Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Jun. 30, 2013
Goodwill And Intangible Assets Disclosure [Abstract]    
Remainder of 2014 $ 785  
2015 1,047  
2016 1,047  
2017 1,047  
2018 22  
To be determined 8,900  
Future amortization $ 12,848 $ 13,110