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FAIR VALUE MEASUREMENTS:
3 Months Ended
Sep. 30, 2017
Fair Value Disclosures [Abstract]  
FAIR VALUE MEASUREMENTS
FAIR VALUE MEASUREMENTS:
 
Fair value measurements are categorized into one of three levels based on the lowest level of significant input used: Level 1 (unadjusted quoted prices in active markets); Level 2 (observable market inputs available at the measurement date, other than quoted prices included in Level 1); and Level 3 (unobservable inputs that cannot be corroborated by observable market data).
 
Assets and Liabilities Measured at Fair Value on a Recurring Basis
 
As of September 30, 2017 and June 30, 2017, the estimated fair value of the Company’s cash, cash equivalents, restricted cash, receivables and accounts payable approximated their carrying values. As of September 30, 2017, the estimated fair value of the Company's debt was $126.4 million and the carrying value was $123.0 million, excluding the $1.6 million unamortized debt discount and $0.5 million unamortized debt issuance costs. As of June 30, 2017, the estimated fair value of the Company's debt was $125.9 million and the carrying value was $123.0 million, excluding the $1.8 million unamortized debt discount and $0.6 million unamortized debt issuance costs. The estimated fair value of the Company's debt is based on Level 2 inputs.
 
Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
 
We measure certain assets, including the Company’s equity method investments, tangible fixed and other assets and goodwill, at fair value on a nonrecurring basis when they are deemed to be other than temporarily impaired. The fair values of these assets are determined based on valuation techniques using the best information available, and may include quoted market prices, market comparables, and discounted cash flow projections.

The following impairments were based on fair values using Level 3 inputs:
 
 
For the Three Months Ended September 30,
 
 
2017
 
2016
 
 
(Dollars in thousands)
Long-lived assets (1)
 
$
(2,280
)
 
$
(1,909
)
_____________________________
(1)
See Note 1 to the unaudited Condensed Consolidated Financial Statements.