Income Tax (Schedule Of Income Tax Reconciliation Items) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015		Jun. 30, 2014
Income Tax [Abstract]
Expected tax provision	$ 6,146	$ 2,310	$ 8,122		$ 2,792
Change in valuation allowance, other	(679)	(2,023)	(773)		(2,407)
Foreign tax provision	(911)	1,724	75		2,679
Foreign withholding tax provision	169	146	335		288
Reversal of tax expense on undistributed foreign earnings	(3,394)		(3,394)
Tax effect of foreign tax rates on current income	(293)	(287)	(293)		(385)
State and local tax provision	346	26	346		223
Tax litigation settlement	180	(54)	360		245
Tax litigation settlement adjustment			(690)
Actual tax provision	$ 1,564	$ 1,842	$ 4,088	[1]	$ 3,435	[1]

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