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Acquisitions - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 16, 2015
Dec. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Jun. 30, 2015
Business Acquisition [Line Items]          
Cash paid at closing     $ 9,764 $ 0  
Estimated fair value of goodwill   $ 173,749 173,749   $ 168,146
Lewis Innovative Technologies, Inc. (LIT) [Member]          
Business Acquisition [Line Items]          
Cash paid at closing $ 9,764        
Escrow deposit 1,000        
Estimated fair value of identifiable intangible assets 3,960        
Estimated fair value of goodwill 5,603        
Revenue of acquiree since acquisition date   30 30    
Net loss of acquiree since acquisition date   $ (40) $ (40)    
Impairment expense related to pre-existing relationship 231        
Developed Technology Rights [Member] | Lewis Innovative Technologies, Inc. (LIT) [Member]          
Business Acquisition [Line Items]          
Estimated fair value of identifiable intangible assets 3,240        
Customer Relationships [Member] | Lewis Innovative Technologies, Inc. (LIT) [Member]          
Business Acquisition [Line Items]          
Estimated fair value of identifiable intangible assets 590        
Backlog [Member] | Lewis Innovative Technologies, Inc. (LIT) [Member]          
Business Acquisition [Line Items]          
Estimated fair value of identifiable intangible assets $ 130