Equity (Schedule of Share Activity) (Details)	9 Months Ended
	Sep. 30, 2015 shares
Share Activity:
Common shares outstanding, beginning balance	84,739,000
Treasury shares, beginning balance	2,876,311
Shares issued:
Common shares outstanding, ending balance	79,857,000
Treasury shares, ending balance	8,094,004
Common Stock [Member]
Shares issued:
Stock option exercises	71,971
Restricted share awards	199,000
Other, net	65,000
Common Stock [Member] | 2014 Share Repurchase Program [Member]
Shares issued:
Common stock repurchases	(5,218,000)
Treasury shares, common stock repurchases	5,218,000