v2.4.0.6
Income Taxes (Interest And Penalties) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Income Tax Uncertainties [Abstract]    
Gross liability for unrecognized tax benefits, exclusive of interest and penalties $ 11,547 $ 9,410
Interest and penalties on unrecognized benefits 853 634
Gross uncertain tax positions 12,400 10,044
Amount included in Current liabilities 1,768 1,768
Amount included in Other long-term liabilities $ 10,632 $ 8,276