Income Taxes (Schedule Of Income Tax Reconciliation Items) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015		Sep. 30, 2014
Income Taxes [Abstract]
Expected tax provision	$ 315	$ 1,838	$ 8,436		$ 4,630
Change in valuation allowance, other	810	(1,611)	38		(4,019)
Foreign tax provision	42	770	117		3,450
Foreign withholding tax provision	156	146	492		435
Reversal of tax expense on undistributed foreign earnings			(3,394)
Tax effect of foreign tax rates on current income	(741)	(227)	(1,035)		(611)
State and local tax provision	(81)	2	265		257
Tax litigation settlement	180	394	540		605
Tax litigation settlement adjustment	(164)		(854)
Actual tax provision (benefit)	$ 517	$ 1,312	$ 4,605	[1]	$ 4,747

[1] Certain prior period amounts have been reclassified to conform to the current period presentation.