EARNINGS PER SHARE: (Details) - shares	3 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Common stock equivalents included in the diluted earnings per share calculation (in shares)	930,666	223,526
Equity Based Compensation Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Awards excluded from diluted earnings per share computation (in shares)	357,468	2,530,400

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1500-109256

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