Shareholders' Equity (Schedule Of Common Stock Outstanding Roll Forward) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Shares issued at beginning of period, shares			103,477,452
Shares cancelled, shares			(2,702,196)
Shares issued at end of period, shares	100,775,256		100,775,256
Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract]
Treasury shares issued at beginning of period, shares			3,223,806
Shares repurchased, shares	654,851	1,282,164	4,616,543	4,103,499
Shares issued out of treasury, shares			(745,135)
Shares cancelled, shares			(2,702,196)
Total treasury shares at end of period, shares	4,393,018		4,393,018
Total shares outstanding at end of year	96,382,238		96,382,238		100,253,646