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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Sep. 30, 2017
Comprehensive Income Net Of Tax [Abstract] |
Schedule Of Accumulated Other Comprehensive Loss | The changes in accumulated other c omprehensive loss by component we re as follows:
|  |  |  | Foreign |  |  |  |  | Unrealized |  |  |  |  |
|  |  |  | currency |  |  | Derivative |  | gain (loss) on |  |  |  |  |
|  |  |  | translation |  |  | instruments, |  | investments, |  |  |  |  |
(in thousands) |  |  | adjustments |  |  | net of tax |  |  | net of tax |  |  | Other |  |  | Total
Balances, December 31, 2016 |  | $ | (14,544) |  | $ | 286 |  | $ | (74) |  | $ | 156 |  | $ | (14,176)
| Other comprehensive gain (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| before reclassifications |  |  | 4,434 |  |  | 254 |  |  | 19 |  |  | (13) |  |  | 4,694
Net current period other comprehensive gain (loss) |  |  | 4,434 |  |  | 254 |  |  | 19 |  |  | (13) |  |  | 4,694
Balances, September 30, 2017 |  | $ | (10,110) |  | $ | 540 |  | $ | (55) |  | $ | 143 |  | $ | (9,482)

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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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