Shareholders' Equity (Schedule Of Common Stock Outstanding Roll Forward) (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Shares issued at beginning of year			103,477,452
Shares cancelled, shares			(3,961,692)
Shares issued at end of year	99,515,760		99,515,760
Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract]
Treasury shares issued at beginning of year			3,223,806
Shares repurchased, shares	1,949,496	1,524,984	3,961,692	2,821,335
Shares issued out of treasury, shares			(637,137)
Shares cancelled, shares			(3,961,692)
Total treasury shares at end of year	2,586,669		2,586,669
Total shares outstanding at end of year	96,929,091		96,929,091		100,253,646