SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: - Adoption of New Accounting standards (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Mar. 31, 2015
New Accounting Pronouncement or Change in Accounting Principle, Retrospective Adjustments [Abstract]
Long-term debt	$ 157,897	$ 244,753
Deferred income taxes	6,885	381
Noncurrent deferred income tax liabilities	53,964	55,440
New Accounting Pronouncement, Early Adoption, Effect | ASU No. 2015-17, Income Taxes: Balance Sheet Classification of Deferred Taxes
New Accounting Pronouncement or Change in Accounting Principle, Retrospective Adjustments [Abstract]
Current deferred income taxes		(25,600)
Deferred income taxes		400
Noncurrent deferred income tax liabilities		25,200
New Accounting Pronouncement, Early Adoption, Effect | ASU No. 2015-03, Interest - Imputation of Interest: Simplifying the Presentation of Debt Issuance Costs
New Accounting Pronouncement or Change in Accounting Principle, Retrospective Adjustments [Abstract]
Other assets	(2,700)	(3,100)
Long-term debt	$ (2,700)	$ (3,100)