Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Millions, except Per Share data, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Trade accounts receivable, allowance for doubtful accounts $ 6.3 $ 5.9
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, Authorized shares 10.0 10.0
Preferred stock, Issued shares 0 0
Common stock, par value $ 1.25 $ 1.25
Common stock, Authorized shares 300.0 300.0
Common stock, Issued shares 189.3 189.3
Common stock, Outstanding shares 120.4 119.6
Treasury stock, shares 68.3 69.1
Stock held by employee benefits trusts, shares 0.6 0.6