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Stock-Based Compensation (Fair Value Of Options Granted, Determined, Using Weighted-Average Assumptions) (Details)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Stock-Based Compensation [Abstract]      
Risk-free interest rate 1.60% 1.23% 2.98%
Expected term (years) 6 years 7 years 7 years
Expected stock price volatility 88.00% 78.00% 46.00%
Dividend yield 0.00% 0.00% 1.41%