Earnings Per Share (Schedule Of Reconciliation Of Weighted Average Common Shares To Diluted Average Common Shares) (Details) In Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Earnings Per Share
Weighted average common shares outstanding - basic	261,289	[1]	234,556	[1]	261,233	[1]	234,513	[1]
Effect of dilutive securities	1,467	[1]	6,412	[1]	2,457	[1]
Weighted average common shares outstanding - diluted	262,756	[1]	240,968	[1]	263,690	[1]	234,513	[1]

[1] All share data has been restated to reflect stock dividends distributed through January 1, 2011.