Authorized Shares Of Common And Preferred Stock And Stock-Based Compensation Plans (Schedule Of Employee Stock Purchase Plan) (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Authorized Shares Of Common And Preferred Stock And Stock-Based Compensation Plans [Abstract]
Dividend expense yield	0.50%	0.50%	0.40%
Expected life (in months)	3 months	3 months	3 months
Expected volatility	25.00%	40.00%	44.00%
Risk-free interest rate	0.10%	0.10%	0.10%