CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivable	$ 201.7	$ 202.2
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ 3,102.1	$ 2,541.2
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares issued	127.5	125.4
Treasury stock, shares	2.1	0.3