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Accumulated Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 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 nine months ended September 30, 2018 consisted of the following (in thousands):
For the Nine Months Ended September 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 |  | 187 |  |  | 7,514 |  |  | 2,818 |  |  | (18,172 | ) |  | (7,653 | )
Gains reclassified from accumulated other comprehensive income |  | — |  |  | 1,936 |  |  | — |  |  | — |  |  | 1,936 |
Balance as of September 30, 2018 |  | $ | 165 |  |  | $ | 4,231 |  |  | $ | (1,493 | ) |  | $ | (45,090 | ) |  | $ | (42,187 | )
Summary of reclassifications out of other comprehensive income | The following is a summary of reclassifications out of AOCI for the three and nine months ended September 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 September 30,
﻿ |  |  |  | 2018 |  | 2017
Gains (losses) on derivative instruments classified as cash flow hedges included in net income: |  |  |  |  |  |
Foreign currency exchange contracts |  | Cost of revenue |  | $ | 256 |  |  | $ | (893 | )
﻿ |  | Tax expense (benefits) |  | 153 |  |  | (333 | )
﻿ |  | Gains (losses), net of tax |  | $ | 103 |  |  | $ | (560 | )
Details about AOCI Components |  | Affected Line Item in the Statement of Operations |  | Amounts Reclassified from AOCI For the Nine Months Ended September 30,
﻿ |  |  |  | 2018 |  | 2017
(Losses) gains on derivative instruments classified as cash flow hedges included in net income: |  |  |  |  |  |
Foreign currency exchange contracts |  | Cost of revenue |  | $ | (2,412 | ) |  | $ | 935 |
﻿ |  | Tax (benefits) expense |  | (476 | ) |  | 348 |
﻿ |  | (Losses) gains, net of tax |  | $ | (1,936 | ) |  | $ | 587 |

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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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