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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) | 3 Months Ended
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Mar. 31, 2018
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) [ABSTRACT] |
Schedule of accumulated other comprehensive income (loss) | The following table presents changes in the accumulated balance for each component of other comprehensive income (loss), including current period other comprehensive income (loss) and reclassifications out of accumulated other comprehensive income (loss) (in thousands):
|  | Foreign |  |  |  |  |  |  |  |  |  |
|  | Currency |  | Derivative |  |  |  |  |  |  |
|  | Translation |  | Valuation, Net |  | Other, Net |  |  |  |
|  | Adjustment |  | of Tax |  | of Tax |  | Totals |
Accumulated other comprehensive income (loss) at December 31, 2016 |  | $ | (92,008) |  | $ | (32,393) |  | $ | (2,563) |  | $ | (126,964) |
Other comprehensive income (loss) before reclassifications |  |  | 6,136 |  |  | 12,320 |  |  | 246 |  |  | 18,702 |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  | (4,136) |  |  | (117) |  |  | (4,253) |
Net current period other comprehensive income (loss) |  |  | 6,136 |  |  | 8,184 |  |  | 129 |  |  | 14,449 |
Accumulated other comprehensive income (loss) at March 31, 2017 |  | $ | (85,872) |  | $ | (24,209) |  | $ | (2,434) |  | $ | (112,515) |
Accumulated other comprehensive income (loss) at December 31, 2017 |  | $ | (84,100) |  | $ | (15,746) |  | $ | (2,458) |  | $ | (102,304) |
Other comprehensive income (loss) before reclassifications |  |  | (5,700) |  |  | 3,886 |  |  | 209 |  |  | (1,605) |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  | (3,893) |  |  | (101) |  |  | (3,994) |
Net current period other comprehensive income (loss) |  |  | (5,700) |  |  | (7) |  |  | 108 |  |  | (5,599) |
Accumulated other comprehensive income (loss) at March 31, 2018 |  | $ | (89,800) |  | $ | (15,753) |  | $ | (2,350) |  | $ | (107,903) |
Schedule of reclassifications from Accumulated other comprehensive income (loss) | The following table presents the classification and amount of the reclassifications from Accumulated other comprehensive income (loss) to the statement of comprehensive income (loss) (in thousands):
|  |  |  |  |  |  |  | Statement of |
|  | For the Three Months Ended March 31, |  | Comprehensive Income |
|  | 2018 |  | 2017 |  | (Loss) Classification |
Derivative valuation |  |  |  |  |  |  |  |  |
Gain (loss) on foreign currency forward exchange contracts |  | $ | (5,332) |  | $ | (6,806) |  | Revenue |
Loss on interest rate swaps |  |  | — |  |  | (89) |  | Interest expense |
Tax effect |  |  | 1,439 |  |  | 2,759 |  | Provision for income taxes |
|  | $ | (3,893) |  | $ | (4,136) |  | Net income (loss) |
Other |  |  |  |  |  |  |  |  |
Actuarial loss on defined benefit plan |  | $ | (112) |  | $ | (130) |  | Cost of services |
Tax effect |  |  | 11 |  |  | 13 |  | Provision for income taxes |
|  | $ | (101) |  | $ | (117) |  | Net income (loss) |

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