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CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) (USD $)
In Millions, except Share data, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Consolidated Balance Sheets (Parenthetical)    
Allowances for Doubtful Accounts $ 5.8 $ 5.5
Preferred stock, par value $ 0.10 $ 0.10
Preferred stock, authorized 50,000,000 50,000,000
Preferred stock, issued 0 0
Common stock, par value $ 0.10 $ 0.10
Common stock, authorized 500,000,000 500,000,000
Common stock, issued 109,695,171 109,695,171
Common stock, oustanding 108,000,543 107,398,963
Treasury Stock 1,694,628 2,296,208