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FAIR VALUE MEASUREMENTS: (Tables) | 6 Months Ended
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Dec. 31, 2018
Fair Value Disclosures [Abstract] |
Schedule of fair value impairments | The following impairments were based on fair values using Level 3 inputs:
|  | For the Three Months Ended December 31, |  | For the Six Months Ended December 31,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
|  | (Dollars in thousands)
Long-lived assets |  | $ | 472 |  |  | $ | 14,435 |  |  | $ | 2,303 |  |  | $ | 16,715 |

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