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FAIR VALUE MEASUREMENTS: (Tables)
 9 Months Ended
Mar. 31, 2016
Fair Value Disclosures [Abstract]  
Schedule of impairments based on fair values using Level 3 inputs
The following impairments were based on fair values using Level 3 inputs:
 
 
For the Three Months Ended March 31,
 
For the Nine Months Ended March 31,
 
 
2016
 
2015
 
2016
 
2015
 
 
(Dollars in thousands)
Long-lived assets (1)
 
$
(2,575
)
 
$
(2,385
)
 
$
(7,616
)
 
$
(9,337
)
Investment in EEG (2)
 
—

 
—

 
(12,954
)
 
(4,654
)