Registration of securities issued in business combination transactions

CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Statement Of Financial Position [Abstract]    
Allowance for bad debts $ 12,853 [1] $ 8,117 [1]
Preferred stock, par value $ 1 $ 1
Accumulated depreciation and amortization on property, plant and equipment $ 1,136,024 $ 1,063,934
Preferred stock, shares authorized 1,942,000 1,942,000
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.166667 $ 0.166667
Common stock, shares authorized 280,000,000 280,000,000
Common stock, shares issued 120,491,164 118,968,396
Common stock, shares outstanding 120,491,164 118,968,396
[1] Additional information on the allowance for doubtful accounts for the years ended December 31, 2013, 2012 and 2011 is reported on Schedule II - Valuation and Qualifying Accounts.