Income Tax (Schedule Of Significant Components Of Provision For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014		Dec. 31, 2013
Income Tax [Abstract]
Current income tax expense, Federal	$ 481	$ 827		$ 1,121
Current income tax expense, State	516	511		432
Current income tax expense, Foreign	3,120	1,251		1,283
Current income tax expense, Total	4,117	2,589		2,836
Deferred income tax expense (benefit), Federal	438	(14,341)
Deferred income tax expense (benefit), State	(971)	(1,234)
Deferred income tax expense (benefit), Foreign	1,359	3,201		2,106
Deferred income tax expense (benefit), Total	826	(12,374)		2,106
Total income tax expense (benefit)	$ 4,943	$ (9,785)	[1]	$ 4,942	[1]

[1] Certain prior period amounts have been reclassified to conform to the current period presentation (see Note 2 - Significant Accounting Policies - Reclassifications).