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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Accounts and notes receivable, allowances $ 15,067 $ 15,030
Property and equipment, accumulated depreciation $ 157,331 $ 137,526
Preferred stock, par value (dollars per share) $ 100 $ 100
Preferred stock, authorized 10,000,000 10,000,000
Preferred stock, issued 0 0
Common stock, par value (in dollars per share) $ 2 $ 2
Common stock, authorized 200,000,000 200,000,000
Common stock, issued 63,080,000 63,096,000
Common stock, outstanding 63,080,000 63,096,000