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Derivative Contracts (Tables) | 12 Months Ended
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Dec. 31, 2015
Notional amounts and gross fair values for derivative instruments without hedge accounting designation | Total notional amounts and gross fair values for derivative instruments without hedge accounting designation were as follows as of December 31, 2015:
(in thousands) |  | Notional Amount in USD |  |  | Fair Value of Current Liabilities |
Currency forward contracts |  |  |  |  |  |  |  |
Canadian dollars |  | $ | 4,200 |  |  | $ | (246 | )
Other currencies |  |  | 1,372 |  |  |  | (83 | )
|  |  | 5,572 |  |  |  | (329 | )
Currency option contracts |  |  |  |  |  |  |  |
Canadian dollars |  |  | 8,514 |  |  |  | (252 | )
Total |  | $ | 14,086 |  |  | $ | (581 | )

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- Definition Tabular disclosure of derivative liabilities at fair value. + References No definition available. + Details
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