Quarterly report pursuant to Section 13 or 15(d)

Acquisitions (Schedule of Purchase Price) (Details)

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Acquisitions (Schedule of Purchase Price) (Details) - USD ($)
$ in Thousands
9 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Purchase price consideration:    
Cash consideration, net of cash acquired $ 13,352 $ 13,394
Tri-State Technical Services [Member]    
Purchase price consideration:    
Cash consideration, net of cash acquired [1] 6,177  
Stock consideration [2] 9,028  
Total purchase price, net of cash acquired 15,205  
AA Acquisition [Member]    
Purchase price consideration:    
Cash consideration, net of cash acquired [3] 7,175  
Stock consideration [4] 12,349  
Total purchase price, net of cash acquired $ 19,524  
[1] Includes $7,952,000 paid at closing (inclusive of a preliminary working capital adjustment) net of $1.8 million of cash acquired.
[2] Calculated as 338,115 shares of the Company's common stock, multiplied by $26.70, the closing price of the Company's common stock on the closing date.
[3] Includes $8,119,000 paid at closing (inclusive of a preliminary working capital adjustment) net of $0.9 million of cash acquired.
[4] Calculated as 348,360 shares of common stock, multiplied by $35.45, the closing price of the Company's common stock on the closing date.