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FAIR VALUE MEASUREMENTS: (Tables) | 6 Months Ended
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Dec. 31, 2017
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,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
|  | (Dollars in thousands) |  |  |  |
Long-lived assets (1) |  | $ | (14,434 | ) |  | $ | (2,477 | ) |  | $ | (16,714 | ) |  | $ | (4,386 | )
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(1) | See Note 1 to the unaudited Condensed Consolidated Financial Statements.

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