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Stock-Based Compensation And Other Incentive Plans Stock-Based Compensation And Other Incentive Plans (Schedule of Weighted Average Assumptions Used in Option Pricing) (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Stock-Based Compensation [Abstract]      
Weighted average grant-date fair value per share of options granted $ 5.27 $ 14.18 $ 9.43
Option, weighted average risk free rate 0.76% 1.92% 2.16%
Option, weighted average dividend yield 2.92% 1.25% 1.99%
Option, weighted average volatility 60.72% 57.40% 57.10%
Expected life of options (Years) 4 years 6 months 4 years 6 months 4 years 6 months