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Reconciliation of Beginning and Ending Fair-Value Measurements of Level Three Contingent Earnout Arrangement Related to Acquisition of LightWorks (Detail) (Fair Value, Measurements, Recurring, USD $)
In Thousands, unless otherwise specified
9 Months Ended
Mar. 31, 2013
Business Acquisition, Contingent Consideration [Line Items]  
Balance - end of period $ 3,400
Fair Value, Inputs, Level 3
 
Business Acquisition, Contingent Consideration [Line Items]  
Earount arrangement 3,400
Changes in fair value   
Balance - end of period $ 3,400