Consolidated Condensed Statements Of Equity (Parenthetical) (USD $)	6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012
Common stock - cash dividends declared per share	$ 0.1		$ 0.02
Common stock repurchased	$ 81,156,000	[1]	$ 83,946,000	[1]
Preferred Stock Shares Issued	1,000		0
Preferred Stock Liquidation Preference Value	100,000		0
Preferred Stock Dividends Per Share Declared	$ 2,738.33
Stock Repurchase Authorization [Member]
Common stock repurchased	77,900,000		81,400,000
Variable Prepaid Share Repurchase Agreement [Member]
Common stock repurchased	$ 40,000,000

[1] 2013 and 2012 include $77.9 million and $81.4 million, respectively, repurchased under the share repurchase program launched in fourth quarter 2011. 2013 includes $40.0 million associated with a prepaid variable share repurchase agreement.