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Income Tax (Schedule Of Income Tax Reconciliation Items) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Income Tax [Abstract]        
Expected tax provision $ 1,951 $ 174 $ 2,028 $ 659
Change in valuation allowance, other (1,846) (241) (1,915) (668)
Foreign income tax provision 808 (414) 1,041 490
Foreign withholding tax provision 268 273 536 640
Tax effect of foreign tax rates on current income (105) 67 (113) 8
State and local tax provision 173 158 237 272
Tax/audit litigation settlement 251 242 575 483
Actual tax provision (benefit) $ 1,500 $ 259 $ 2,389 $ 1,884