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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Share data in Millions, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
CONDENSED CONSOLIDATED BALANCE SHEETS    
Accounts and notes receivable, allowance for doubtful accounts (in dollars) $ 4,215 $ 4,416
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 199 199
Common stock, shares issued 86.0 85.4
Treasury stock, shares 21.3 20.0