XML 41 R29.htm IDEA: XBRL DOCUMENT v3.10.0.1
Acquisitions (Schedule of Supplemental Pro Forma Results of Operations) (Details) - Tri-State Technical Services [Member] - USD ($)
$ in Thousands
6 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Business Acquisition [Line Items]    
Revenues $ 115,599 $ 83,744
Net income $ 2,532 $ 2,937