Consolidated Condensed Statements Of Equity (Parenthetical)-Q - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015
Common stock - cash dividends declared per share		$ 0.14	$ 0.12
Common stock repurchased	[1]	$ 89,698	$ 20,031
Preferred Stock Dividends Per Share Declared		$ 3,100	$ 3,100
Stock Repurchase Authorization [Member]
Common stock repurchased		$ 86,400	$ 15,800

[1] 2016 and 2015 include $86.4 million and $15.8 million, respectively, repurchased under share repurchase program