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Forward and Swap Contracts | 12 Months Ended
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Mar. 31, 2019
Notes To Financial Statements [Abstract] |
Derivative Instruments and Hedging Activities Disclosure [Text Block] | From time to time, we enter into forward contracts to hedge potential foreign currency gains and losses that arise from transactions denominated in foreign currencies, including inter-company transactions. We may also enter into commodity swap contracts to hedge price changes in nickel that impact raw materials included in our cost of revenues. We do not use derivative financial instruments for speculative purposes. These contracts are not designated as hedging instruments and do not receive hedge accounting treatment; therefore, changes in their fair value are not deferred but are recognized immediately in the Consolidated Statements of Income. At March 31, 2019, we held foreign currency forward contracts to buy 9.0 million Canadian dollars and 150.0 million Mexican pesos. At March 31, 2019, we held commodity swap contracts to buy 652.9 thousand pounds of nickel.
|  | Asset Derivatives |  | Liability Derivatives
|  | Fair Value at |  | Fair Value at |  | Fair Value at |  | Fair Value at
Balance Sheet Location |  | March 31, 2019 |  | March 31, 2018 |  | March 31, 2019 |  | March 31, 2018
Prepaid & Other |  | $ | 552 |  |  | $ | 187 |  |  | $ | — |  |  | $ | — |
Accrued expenses and other |  | $ | — |  |  | $ | — |  |  | $ | 278 |  |  | $ | — |
The following table presents the impact of derivative instruments and their location within the Consolidated Statements of Income:
|  | Location of (loss) gain recognized in income |  | Amount of (loss) gain recognized in income
Years Ended March 31,
2019 |  | 2018 |  | 2017
Foreign currency forward contracts |  | Selling, general and administrative |  | $ | 235 |  |  | $ | (1,357 | ) |  | $ | (1,886 | )
Commodity swap contracts |  | Cost of revenues |  | $ | 434 |  |  | $ | 373 |  |  | $ | 376 |
Additionally, we hold our debt in multiple currencies to fund our operations and investments in certain subsidiaries. We designate portions of non-functional currency denominated intercompany loans as hedges of portions of net investments in foreign operations. Net debt designated as non-derivative net investment hedging instruments totaled $51,916 at March 31, 2019. These hedges are designed to be fully effective and any associated gain or loss is recognized in Accumulated Other Comprehensive Income and will be reclassified to income in the same period when a gain or loss related to the net investment in the foreign operation is included in income.

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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -URI http://asc.fasb.org/topic&trid=2229140 + Details
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