Equity and Stock-Based Compensation (Stock Options Granted) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Assumptions
Risk-free interest rate	2.37%	2.63%
Assumed dividend yield	2.95%	5.50%
Assumed lives of option awards (in years)	5 years 3 months 18 days	5 years 4 months 24 days
Assumed volatility	65.30%	64.20%
Result
Weighted average fair value of options granted (dollars per share)	$ 3.90	$ 2.68