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Stock-Based Compensation Stock-Based Compensation (Schedule Of Fair Value Of Options Granted To Non-Employee Directors During Previous Period) (Details) (Non-employee Directors [Member], Stock Option [Member], USD $)
In Millions, except Share data, unless otherwise specified
9 Months Ended
Sep. 30, 2011
Y
Non-employee Directors [Member] | Stock Option [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options granted 31,500
Estimated fair value (in millions) $ 0.7
Estimate of stock volatility 48.00%
Expected dividend yield 0.00%
Risk free interest rate 2.00%
Expected annual life based on prior experience (in years) 5
Forfeiture rate 0.00%