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Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of Accumulated Other Comprehensive Income | The changes in accumulated other comprehensive income, net of tax, for the years ended December 31, 2018 and 2017 consisted of the following (in thousands):
﻿ |  | Unrealized Gain (Loss) on Investments, Net of Tax |  | Unrealized Gain (Loss) on Derivatives Instruments, Net of Tax |  | Unrealized Gain (Loss) on Net Investment Hedge, Net of Tax |  | Cumulative Translation Adjustment |  | Total
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as of December 31, 2016 |  | $ | 20 |  |  | $ | 4,916 |  |  | $ | 4,036 |  |  | $ | (52,025 | ) |  | $ | (43,053 | )
Other comprehensive (loss) income before reclassifications |  | (42 | ) |  | (10,332 | ) |  | (8,347 | ) |  | 25,107 |  |  | 6,386 |
Gains reclassified from accumulated other comprehensive income |  | — |  |  | 197 |  |  | — |  |  | — |  |  | 197 |
Balance as of December 31, 2017 |  | (22 | ) |  | (5,219 | ) |  | (4,311 | ) |  | (26,918 | ) |  | (36,470 | )
Other comprehensive (loss) income before reclassifications |  | (135 | ) |  | 12,019 |  |  | 3,917 |  |  | (21,911 | ) |  | (6,110 | )
Gains reclassified from accumulated other comprehensive income |  | — |  |  | 789 |  |  | — |  |  | — |  |  | 789 |
Balance as of December 31, 2018 |  | $ | (157 | ) |  | $ | 7,589 |  |  | $ | (394 | ) |  | $ | (48,829 | ) |  | $ | (41,791 | )
Summary of Reclassifications Out of Accumulated Other Comprehensive Income | The following is a summary of reclassifications out of accumulated other comprehensive income for the years ended December 31, 2018, 2017 and 2016 (in thousands):
Details about Accumulated Other Comprehensive Income Components |  | Affected Line Item in the Statement Where Net Income is Presented |  | Amounts Reclassified from Accumulated Other Comprehensive Income for the Years Ended December 31,
|  |  |  | 2018 |  | 2017 |  | 2016
﻿ |  |  |  |  |  |  |  |  |  |  |
Gains (losses) on derivative instruments included in net income: |  |  |  |  |  |  |  |
Foreign currency exchange contracts |  | Cost of revenue |  | $ | (976 | ) |  | $ | 27 |  |  | $ | 3,621 |
Interest rate swaps |  | Interest expense |  | — |  |  | — |  |  | (421 | )
﻿ |  | Total (losses) gains before tax |  | (976 | ) |  | 27 |  |  | 3,200 |
﻿ |  | Tax (benefit) expense |  | (187 | ) |  | 224 |  |  | 949 |
﻿ |  | (Losses) gains, net of tax |  | $ | (789 | ) |  | $ | (197 | ) |  | $ | 2,251 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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