Consolidated Condensed Statements Of Equity (Parenthetical) (USD $)	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Common stock - cash dividends declared per share	$ 0.05		$ 0.01
Common stock repurchased	$ 32,495,000	[1]	$ 46,624,000	[1]
Preferred Stock Shares Issued	1,000		0
Preferred Stock Liquidation Preference Value	100,000		0
Preferred Stock Dividends Per Share Declared	$ 1,188.33
Stock Repurchase Authorization [Member]
Common stock repurchased	$ 30,000,000		$ 44,500,000

[1] Quarters ended March 31, 2013 and 2012, include $30.0 million and $44.5 million, respectively, repurchased under the share repurchase program launched in fourth quarter 2011.