Equity (Schedule of Share Activity) (Details) - shares	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Share Activity:
Common shares outstanding, beginning balance	84,739,000
Treasury shares, beginning balance	2,876,311
Shares issued:
Common shares outstanding, ending balance	80,214,000	84,739,000
Treasury shares, ending balance	7,613,253	2,876,311
Common Stock [Member]
Shares issued:
Stock option exercises	39,471
Restricted share awards	141,000
Other, net	32,000
Common Stock [Member] | 2014 Share Repurchase Program [Member]
Shares issued:
Common stock repurchases	(4,737,000)	0
Common stock repurchases	4,737,000	0