Stock-Based Incentive Compensation Plans (Option price assumptions used for stock option incentive plans) (Details) (Stock options [Member], USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Stock options [Member]
Assumptions used for stock-based incentive compensation plans [Abstract]
Weighted-average fair value per option granted (in dollars per share)	$ 7.39	$ 8.35	$ 13.88
Dividend yield	2.40%	1.90%	1.20%
Expected volatility	34.10%	42.00%	48.50%
Risk-free interest rate, minimum	0.60%	0.90%	1.40%
Risk-free interest rate, maximum	0.90%	1.20%	2.90%
Expected life (in years)	5 years 7 months 6 days	5 years 9 months 18 days	6 years 8 months 12 days