Equity (Schedule of Share Activity) (Details)	3 Months Ended		1 Months Ended	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Convertible Debt [Member] 4.0% Convertible Notes [Member]	Sep. 30, 2014 Convertible Debt [Member] 4.0% Convertible Notes [Member]	Sep. 30, 2014 Common Stock [Member]	Sep. 30, 2014 Common Stock [Member] Convertible Debt [Member] 4.0% Convertible Notes [Member]
Rollforward of Share Activity:
Common shares outstanding, beginning balance		77,258,000
Treasury shares, beginning balance		9,467,286
Shares issued:
Stock option exercises	0				210,900
Restricted share awards					181,000
Convertible notes, common shares issued						4,204,000
Convertible notes, treasury shares			(4,200,000)	(4,204,000)
Other, net					(11,000)
Common shares outstanding, ending balance	81,843,000	77,258,000
Treasury shares, ending balance	5,262,831	9,467,286