Income Tax (Schedule Of Income Tax Reconciliation Items) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Income Tax [Abstract]
Expected tax provision	$ 1,975	$ 482
Change in valuation allowance, other	(95)	(292)
Foreign tax provision	986	955
Foreign withholding tax provision	167	142
Tax effect of foreign tax rates on current income		(97)
State and local tax provision		162
Tax litigation settlement	180	240
Tax litigation settlement adjustment	(690)
Actual tax provision	$ 2,523us-gaap_IncomeTaxExpenseBenefit	$ 1,592us-gaap_IncomeTaxExpenseBenefit

Income Tax Reconciliation Foreign Withholding Tax Provision

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Amount of current and deferred income tax expense (benefit) attributable to income (loss) from continuing foreign operations not within the country of domicile of the entity.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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