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Business Combinations (Details) (USD $)
Jun. 30, 2013
Jul. 20, 2012
Jun. 30, 2012
Jun. 30, 2011
Business Acquisition [Line Items]        
Total purchase price of acquisition   $ 5,600,000    
Recognized liability of additional earn-out payment 12,150,000   6,850,000 800,000
Goodwill on acquisition 13,876,000   51,798,000 5,758,000
Umbian, Inc [Member]
       
Business Acquisition [Line Items]        
Percentage of outstanding shares acquired   100.00%    
Additional potential earn-out payments based on the achievement of certain milestones   35,400,000    
Recognized liability of additional earn-out payment   12,200,000    
Goodwill on acquisition   13,900,000    
Developed Technology [Member] | Umbian, Inc [Member]
       
Business Acquisition [Line Items]        
Intangible assets   $ 5,500,000