Equity (Schedule of Share Activity) (Details) - shares	3 Months Ended	6 Months Ended
	Dec. 31, 2014	Jun. 30, 2015
Share Activity:
Common shares outstanding, beginning balance		84,739,000
Treasury shares, beginning balance		2,876,311
Shares issued:
Common shares outstanding, ending balance	84,739,000	79,840,000
Treasury shares, ending balance	2,876,311	8,094,004
Common Stock [Member]
Shares issued:
Stock option exercises		64,471
Restricted share awards		188,000
Other, net		67,000
Common Stock [Member] | 2014 Share Repurchase Program [Member]
Shares issued:
Common stock repurchases	0	(5,218,000)
Treasury shares, common stock repurchases	0	5,218,000