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Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2020
Accumulated Other Comprehensive Income Loss 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, 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 | )
Other comprehensive gain (loss) before reclassifications |  |  | 4,050 |  |  |  | (2,024 | ) |  |  | — |  |  |  | (800 | ) |  |  | 1,226 |
Amounts reclassified from accumulated other comprehensive loss |  |  | — |  |  |  | (1,118 | ) |  |  | — |  |  |  | — |  |  |  | (1,118 | )
Net current period other comprehensive gain (loss) |  |  | 4,050 |  |  |  | (3,142 | ) |  |  | — |  |  |  | (800 | ) |  |  | 108 |
Balances, December 31, 2020 |  | $ | (8,375 | ) |  | $ | (6,742 | ) |  | $ | — |  |  | $ | (1,534 | ) |  | $ | (16,651 | )

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