Statements Of Condensed Consolidated Financial Position (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Class of Stock [Line Items]
Preferred stock, par value	$ 0	$ 0
Cumulative Mandatory Convertible	7.00%	7.00%
Common shares, par value	$ 0.125	$ 0.125
Common shares, authorized (in shares)	400,000,000	400,000,000
Common shares, issued (in shares)	159,546,224	159,546,224
Common shares, outstanding	153,591,930	153,246,754
Common shares in treasury	5,954,294	6,299,470
Preferred Class A [Member]
Class of Stock [Line Items]
Preferred Stock, Liquidation Preference Per Share	$ 1,000	$ 1,000
Preferred stock, shares authorized (in shares)	3,000,000	3,000,000
Preferred Shares, Issued and Outstanding, Shares	731,223	731,223
Preferred Class B [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	4,000,000	4,000,000