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Accumulated Other Comprehensive Income (Schedule Of AOCI) (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance beginning of period | $ 177,825 | $ (9,233)
Other comprehensive (loss) income before reclassifications | (8,276) | 4,521
Gains (losses) reclassified from accumulated other comprehensive income | (2,574) | (3,313)
Balance end of period | 273,400 | 171,549
Total |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance beginning of period | (46,182) | (41,791)
Balance end of period | (57,032) | (40,583)
Unrealized Gain (Loss) on Investments, Net of Tax |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance beginning of period | 110 | (157)
Other comprehensive (loss) income before reclassifications | (574) | 362
Gains (losses) reclassified from accumulated other comprehensive income | 0 | 0
Balance end of period | (464) | 205
Foreign Currency Exchange Contracts |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance beginning of period | (736) | 6,229
Other comprehensive (loss) income before reclassifications | 5,538 | 1,110
Gains (losses) reclassified from accumulated other comprehensive income | (2,574) | (3,313)
Balance end of period | 2,228 | 4,026
Euro-Denominated Notes |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance beginning of period | 1,396 | (394)
Other comprehensive (loss) income before reclassifications | (642) | 500
Gains (losses) reclassified from accumulated other comprehensive income | 0 | 0
Balance end of period | 754 | 106
Cross Currency Swaps |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance beginning of period | 3,467 | 1,360
Other comprehensive (loss) income before reclassifications | 2,602 | 868
Gains (losses) reclassified from accumulated other comprehensive income | 0 | 0
Balance end of period | 6,069 | 2,228
Cumulative Translation Adjustment |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance beginning of period | (50,419) | (48,829)
Other comprehensive (loss) income before reclassifications | (15,200) | 1,681
Gains (losses) reclassified from accumulated other comprehensive income | 0 | 0
Balance end of period | $ (65,619) | $ (47,148)

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