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Statements of Operations-Additional Information (Tables)
 3 Months Ended
Sep. 30, 2017
Supplemental Income Statement Elements [Abstract]  
Schedule of additional information of statements of operations
     
Three Months
  
For the Periods Ended September 30
    
2017
    
2016
  
Interest expense, net      
Term loan
       $ 2,033         $ 2,905    
Revolving credit facility
         681           955    
Amortization of debt issuance costs and debt discount
         221           253    
Acquisition-related accrued interest
         253           393    
Other
         239           81    
Interest expense
         3,427           4,587    
Interest (income)
         (309)           (680)    
        $ 3,118         $ 3,907    
Depreciation and amortization      
Depreciation of property, plant and equipment
       $ 5,183         $ 4,731    
Amortization of intangible assets
         1,449           1,528    
Amortization of other assets
         12           59    
        $ 6,644         $ 6,318