Shareholders' Equity And Earnings Per Share (Market Value Of Company Common Stock And Settlement Rate) (Details) (USD $)	9 Months Ended
	Sep. 30, 2011
Applicable Market Value Of Company Common Stock Less Than Or Equal To 30 Dollars [Member]
Settlement Rate	$ 1.6666
Applicable Market Value Of Company Common Stock Greater Than 30 Dollars But Less Than 37.50 Dollars [Member]
Settlement Rate, market value	50.00
Applicable Market Value Of Company Common Stock Greater Than Or Equal To 37.50 Dollars [Member]
Settlement Rate	$ 1.3333