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Derivative Instruments | 6 Months Ended
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May. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Derivative Instruments | Derivative Instruments We generally use forward contracts that are not designated as hedging instruments to hedge economically the impact of the variability in exchange rates on accounts receivable denominated in certain foreign currencies. We generally do not hedge the net assets of our international subsidiaries. All forward contracts are recorded at fair value in other current assets, other current liabilities, or other noncurrent liabilities on the condensed consolidated balance sheets at the end of each reporting period and expire from 90 days to two years. In the three and six months ended May 31, 2015, realized and unrealized losses of $1.2 million and $2.5 million, respectively, from our forward contracts were recognized in foreign currency gain (loss), net in the condensed consolidated statements of operations. In the three and six months ended May 31, 2014, realized and unrealized losses of $0.8 million and $1.1 million, respectively, from our forward contracts were recognized in foreign currency gain (loss), net in the condensed consolidated statements of operations. These losses were substantially offset by realized and unrealized gains on the offsetting positions. The table below details outstanding foreign currency forward contracts where the notional amount is determined using contract exchange rates (in thousands):
| May 31, 2015 |  | November 30, 2014
| Notional Value |  | Fair Value |  | Notional Value |  | Fair Value
Forward contracts to sell U.S. dollars | $ | 83,747 |  |  | $ | (2,455 | ) |  | $ | 21,738 |  |  | $ | (13 | )
Forward contracts to purchase U.S. dollars | 9,980 |  |  | 6 |  |  | 15,534 |  |  | (89 | )
Total | $ | 93,727 |  |  | $ | (2,449 | ) |  | $ | 37,272 |  |  | $ | (102 | )

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