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Accumulated Other Comprehensive Income (Schedule Of Accumulated Other Comprehensive Income) (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 USD ($)
Balance, value | $ (108,213)
Balance, value | (73,912)
AOCI Including Portion Attributable to Noncontrolling Interest [Member] |
Balance, value | (43,053)
Other comprehensive (loss) income before reclassifications | 5,348
Gains reclassified from accumulated other comprehensive income | (674)
Balance, value | (38,379)
Unrealized Gain (Loss) on Investments, Net of Tax [Member] |
Balance, value | 20
Other comprehensive (loss) income before reclassifications | (39)
Balance, value | (19)
Unrealized Gain (Loss) on Derivative Instruments, Net of Tax [Member] |
Balance, value | 4,916
Other comprehensive (loss) income before reclassifications | (1,534)
Gains reclassified from accumulated other comprehensive income | (674)
Balance, value | 2,708
Unrealized Gain (Loss) on Net Investment Hedge, Net of Tax [Member] |
Balance, value | 4,036
Other comprehensive (loss) income before reclassifications | (1,093)
Balance, value | 2,943
Cumulative Translation Adjustment [Member] |
Balance, value | (52,025)
Other comprehensive (loss) income before reclassifications | 8,014
Balance, value | $ (44,011)

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