Consolidated Condensed Statements Of Equity (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended				3 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012 Stock Repurchase Authorization [Member]
Cash dividends declared per share	$ 0.01		$ 0.01
Common stock repurchased	$ 83,946	[1]	$ 887	[1]	$ 81,400

[1] 2012 includes $81.4 million repurchased under the share repurchase program launched in fourth quarter 2011.