COSTS AND ESTIMATED EARNINGS IN EXCESS OF BILLINGS (Details 1) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Costs In Excess Of Billings And Billings In Excess Of Costs Incurred [Line Items] | |||
| Balance at the beginning of year | $ 8,660 | $ 6,383 | $ 8,850 |
| Additions | 1,038 | 2,404 | (1,823) |
| Translation adjustment | 231 | (127) | (644) |
| Balance at the end of the year | $ 9,929 | $ 8,660 | $ 6,383 |