Management Compensation Plans (Schedule of Black-Scholes Option Pricing Method Assumptions) (Details) (Stock Options [Member])	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	0.68%	0.78%	0.81%
Estimated life in years	4 years 6 months 0 days	4 years 7 months 3 days	4 years 9 months
Dividend yield	0.64%	0.70%	0.60%
Volatility	49.50%	50.31%	45.00%