CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Accounts receivable, allowances	$ 0.6	$ 1.8
Preferred Stock, par value	$ 1.00	$ 1.00
Preferred Stock, Authorized	2,500,000	2,500,000
Preferred Stock, issued	0	0
Common Stock, par value	$ 1.00	$ 1.00
Common Stock, Authorized	300,000,000	300,000,000
Common Stock, shares issued	146,427,550	146,427,550
Common stock in treasury, shares	7,137,219	4,140,424