CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
CONSOLIDATED CONDENSED BALANCE SHEETS
Accounts and other receivables, allowances (in dollars)	$ 5.1	$ 5.6
Long-term accounts receivable, allowances (in dollars)	$ 6.8	$ 6.4
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized shares	50.0	50.0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized	350.0	350.0
Common stock, shares issued	125.7	124.2
Common stock, shares outstanding	109.4	114.3
Treasury stock, shares	16.3	9.9