Annual report pursuant to Section 13 and 15(d)

Acquisitions (Schedule of Supplemental Pro Forma Results of Operations) (Details)

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Acquisitions (Schedule of Supplemental Pro Forma Results of Operations) (Details) - Western State Design [Member] - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Business Acquisition [Line Items]    
Revenues $ 120,012 $ 113,012
Net income $ 4,139 $ 3,879