Income Taxes (Summary Of Effective Income Tax Rates) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Taxes [Abstract]
Effective income tax rate	29.10%	31.40%	28.90%	31.70%