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Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2019
Comprehensive Income Net Of Tax [Abstract] |
Schedule Of Accumulated Other Comprehensive Loss | The changes in accumulated other comprehensive loss by component were as follows:
|  |  |  | Foreign |  |  |  |  | Unrealized |  |  |  |  |
|  |  |  | currency |  |  | Derivative |  |  | 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 |  |  | 4,977 |  |  | 1,192 |  |  | 33 |  |  | (175) |  |  | 6,027
Net current period other comprehensive loss |  |  | 4,977 |  |  | 1,192 |  |  | 33 |  |  | (175) |  |  | 6,027
Balances, December 31, 2017 |  |  | (9,567) |  |  | 1,478 |  |  | (41) |  |  | (19) |  |  | (8,149)
| Other comprehensive gain (loss) before reclassifications |  |  | (2,273) |  |  | (1,126) |  |  | 41 |  |  | 619 |  |  | (2,739)
| Amounts reclassified from accumulated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| other comprehensive loss |  |  | — |  |  | (236) |  |  | — |  |  | — |  |  | (236)
Net current period other comprehensive gain (loss) |  |  | (2,273) |  |  | (1,362) |  |  | 41 |  |  | 619 |  |  | (2,975)
Balances, December 31, 2018 |  |  | (11,840) |  |  | 116 |  |  | — |  |  | 600 |  |  | (11,124)
| Other comprehensive gain (loss) before reclassifications |  |  | (585) |  |  | (2,474) |  |  | — |  |  | (1,334) |  |  | (4,393)
| Amounts reclassified from accumulated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| other comprehensive loss |  |  | — |  |  | (1,242) |  |  | — |  |  | — |  |  | (1,242)
Net current period other comprehensive gain (loss) |  |  | (585) |  |  | (3,716) |  |  | — |  |  | (1,334) |  |  | (5,635)
Balances, December 31, 2019 |  | $ | (12,425) |  | $ | (3,600) |  | $ | — |  | $ | (734) |  | $ | (16,759)

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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=118930883&loc=SL7669686-108580 + Details
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