Income Tax (Schedule Of Income Tax Reconciliation Items) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Tax [Abstract]
Expected tax provision	$ 1,838	$ 1,090	$ 4,630	$ 3,139
Change in valuation allowance, other	(1,611)	(1,099)	(4,019)	(3,033)
Foreign income tax provision	770	88	3,450	1,129
Foreign withholding tax provision	146	262	435	798
Tax effect of foreign tax rates on current income	(227)	9	(611)	(106)
State and local tax provision	2	150	257	387
Tax/audit litigation settlement	394	251	605	826
Actual tax provision (benefit)	$ 1,312	$ 751	$ 4,747	$ 3,140