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FAIR VALUE OF FINANCIAL INSTRUMENTS:
6 Months Ended
Sep. 30, 2018
Fair Value Disclosures [Abstract]  
FAIR VALUE OF FINANCIAL INSTRUMENTS: FAIR VALUE OF FINANCIAL INSTRUMENTS:
 
The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it is practicable to estimate that value.

Cash and cash equivalents, trade receivables, unbilled and notes receivable, short-term borrowings and trade payables - The carrying amount approximates fair value because of the short maturity of these instruments.

Long-term debt - The interest rate on the revolving credit agreement is adjusted for changes in market rates and therefore the carrying value approximates fair value. The estimated fair value of other long-term debt was determined based upon the present value of the expected cash flows considering expected maturities and using interest rates currently available to the Company for long-term borrowings with similar terms. At September 30, 2018, the estimated fair value of long-term debt approximates its carrying value.

Under applicable accounting standards financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurements. The Company assigned assets and liabilities to the hierarchy in the accounting standards, which is Level 1 - quoted prices in active markets for identical assets or liabilities, Level 2 - significant other observable inputs and Level 3 - significant unobservable inputs.
 
The following table presents the balances of assets measured at fair value as of September 30, 2018 (dollars in thousands): 
Level 1 Level 2 Level 3 Total 
Assets: 
Other current assets $15,223 $— $— $15,223 
Total assets $15,223 $— $— $15,223