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Financial Instruments and Derivative Financial Instruments | 12 Months Ended
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Mar. 31, 2017
Derivative Instruments And Hedging Activities Disclosure [Abstract] |
Financial Instruments and Derivative Financial Instruments | Note 8 - Financial Instruments and Derivative Financial Instruments: Concentrations of Credit Risk Financial instruments that potentially subject the Company to concentrations of credit risk consist principally of cash, cash equivalents, investments, and trade accounts receivable. The Company places its cash, cash equivalents, and investments with high credit quality financial institutions, and evaluates the credit worthiness of these financial institutions on a regular basis. Concentrations of credit risk with respect to trade accounts receivable are limited due to the large number of customers comprising the Company's customer base and their geographic dispersion. At March 31, 2017 and 2016, the Company had no significant concentrations of credit risk. Letters of Credit The Company has entered into standby letter of credit agreements with financial institutions relating to the guarantee of future performance on certain contracts. At March 31, 2017 and 2016, the Company was contingently liable on outstanding standby letters of credit aggregating $8,372 and $11,982, respectively. See Note 7. Foreign Exchange Risk Management The Company, as a result of its global operating and financial activities, is exposed to market risks from changes in foreign exchange rates. In seeking to minimize the risks and/or costs associated with such activities, the Company may utilize foreign exchange forward contracts with fixed dates of maturity and exchange rates. The Company does not hold or issue financial instruments for trading or other speculative purposes and only holds contracts with high quality financial institutions. If the counter-parties to any such exchange contracts do not fulfill their obligations to deliver the contracted foreign currencies, the Company could be at risk for fluctuations, if any, required to settle the obligation. At March 31, 2017 and 2016, there were no foreign exchange forward contracts held by the Company. Fair Value of Financial Instruments The estimates of the fair value of financial instruments are summarized as follows: Cash and cash equivalents: The carrying amount of cash and cash equivalents approximates fair value due to the short-term maturity of these instruments and are considered Level 1 assets in the fair value hierarchy. Investments: The fair value of investments at March 31, 2017 and 2016 approximated the carrying value and are considered Level 2 assets in the fair value hierarchy.

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- Definition The entire disclosure for derivatives and fair value of assets and liabilities. + References No definition available. + Details
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