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Accumulated Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule Of Accumulated Other Comprehensive Income | The changes in AOCI, net of tax, for the six months ended June 30, 2018 consisted of the following (in thousands):
For the Six Months Ended June 30, 2018 |  | Unrealized (Loss) Gain on Investments, Net of Tax |  | Unrealized (Loss) Gain on Derivative Instruments, Net of Tax |  | Unrealized (Loss) Gain on Net Investment Hedge, Net of Tax |  | Cumulative Translation Adjustment |  | Total
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as of December 31, 2017 |  | $ | (22 | ) |  | $ | (5,219 | ) |  | $ | (4,311 | ) |  | $ | (26,918 | ) |  | $ | (36,470 | )
Other comprehensive income (loss) before reclassifications |  | 150 |  |  | 5,786 |  |  | 2,263 |  |  | (16,327 | ) |  | (8,128 | )
Gains reclassified from accumulated other comprehensive income |  | — |  |  | 2,039 |  |  | — |  |  | — |  |  | 2,039 |
Balance as of June 30, 2018 |  | $ | 128 |  |  | $ | 2,606 |  |  | $ | (2,048 | ) |  | $ | (43,245 | ) |  | $ | (42,559 | )
Summary Of Reclassifications Out Of Accumulated Other Comprehensive Income | The following is a summary of reclassifications out of AOCI for the three and six months ended June 30, 2018 and 2017 (in thousands):
Details about AOCI Components |  | Affected Line Item in the Statement of Operations |  | Amounts Reclassified from AOCI For the Three Months Ended June 30,
﻿ |  |  |  | 2018 |  | 2017
(Losses) gains on derivative instruments classified as cash flow hedges included in net income: |  |  |  |  |  |
Foreign currency exchange contracts |  | Cost of revenue |  | $ | (833 | ) |  | $ | 753 |
﻿ |  | Tax (benefits) expense |  | (379 | ) |  | 280 |
﻿ |  | (Losses) gains, net of tax |  | $ | (454 | ) |  | $ | 473 |
Details about AOCI Components |  | Affected Line Item in the Statement of Operations |  | Amounts Reclassified from AOCI For the Six Months Ended June 30,
﻿ |  |  |  | 2018 |  | 2017
(Losses) gains on derivative instruments classified as cash flow hedges included in net income: |  |  |  |  |  |
Foreign currency exchange contracts |  | Cost of revenue |  | $ | (2,668 | ) |  | $ | 1,828 |
﻿ |  | Tax (benefits) expense |  | (629 | ) |  | 681 |
﻿ |  | (Losses) gains, net of tax |  | $ | (2,039 | ) |  | $ | 1,147 |

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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