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Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Nov. 30, 2015 | Nov. 30, 2014 | Nov. 30, 2015 | Nov. 30, 2014 | Feb. 28, 2015
Components of accumulated other comprehensive loss |  |  |  |  |
Balance |  |  | $ 904,565 |  |
Tax effects | $ (170) | $ (28) | (345) | $ (538) |
Other comprehensive income | 1,408 | $ 72 | 1,805 | $ 1,219 |
Balance | 967,934 |  | 967,934 |  |
Unrealized Holding Gains (Losses) On Cash Flow Hedges | Foreign currency contracts |  |  |  |  |
Components of accumulated other comprehensive loss |  |  |  |  |
Balance |  |  | (76) |  |
Other comprehensive income before reclassification |  |  | 2,653 |  |
Amounts reclassified out of accumulated other comprehensive income (loss) |  |  | (503) |  |
Tax effects |  |  | (345) |  |
Other comprehensive income |  |  | 1,805 |  |
Balance | 1,729 |  | 1,729 |  |
Net deferred tax benefits |  |  |  |  | $ 30
Net deferred tax expense | $ (310) |  | $ (310) |  |

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