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Condensed Consolidated Balance Sheets (Parentheticals) (USD $)
In Millions, except Share data, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Statement of Financial Position [Abstract]    
Allowance for Trade receivables $ 25.5 $ 21.5
Preferred stock, par value $ 0 $ 0
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued 0 0
Common stock, par value $ 0.10 $ 0.10
Common stock, shares authorized 260,000,000 260,000,000
Common stock, shares issued 185,983,792 185,983,792
Treasury Stock, shares 48,589,688 46,309,476