v2.4.0.6
Income Taxes (Narrative) (Details) (USD $)
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Income Taxes [Abstract]    
Provision for income taxes effective tax rate, percentage 39.10% 48.40%
Statutory tax rate, percentage 35.00%  
Non-deductible charge related to surrendered equity compensation   $ 885,000