Consolidated Condensed Statements Of Equity (Parenthetical)-Q - USD ($)		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Common stock - cash dividends declared per share		$ 0.07	$ 0.06
Common stock repurchased	[1]	$ 75,763,000	$ 16,767,000
Preferred Stock Dividends Per Share Declared		$ 1,550	$ 1,550
Stock Repurchase Authorization [Member]
Common stock repurchased		$ 75,000,000	$ 15,800,000

[1] 2016 and 2015 include $ 75.0 million and $ 15.8 million, respectively, repurchased under share repurchase program