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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), Net of Tax [Abstract] |
Schedule Of Accumulated Other Comprehensive Income (Loss), Net Of Tax | The components of Accumulated other comprehensive loss, net of tax, are as follows:
| Foreign Currency Translation Adjustments |  | Unrealized Gains (Losses) on Investments |  | Accumulated Other Comprehensive Loss
Balance, January 1, 2018 | $ | (19,522 | ) |  | $ | (386 | ) |  | $ | (19,908 | )
Other comprehensive gain before reclassifications | 3,377 |  |  | (1,357 | ) |  | 2,020 |
Amounts reclassified from accumulated other comprehensive loss | — |  |  | (273 | ) |  | (273 | )
Net current-period other comprehensive gain | 3,377 |  |  | (1,630 | ) |  | 1,747 |
Balance, March 31, 2018 | $ | (16,145 | ) |  | $ | (2,016 | ) |  | $ | (18,161 | )

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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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