CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (Unaudited) (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Trade receivables, short-term, allowance for doubtful accounts (in dollars) $ 10,049 $ 10,944
Financed receivables, short-term, allowance for doubtful accounts (in dollars) 1,716 1,748
Financed receivables, long-term, allowance for doubtful accounts (in dollars) $ 1,434 $ 1,402
Preferred stock, shares authorized 500,000 500,000
Preferred stock, shares issued 0 0
Preferred stock, no par value (in dollars per share)      
Common stock, par value (in dollars per share) $ 1 $ 1
Common stock, shares authorized 250,000,000 250,000,000
Common stock, shares issued 218,840,608 218,482,907
Common stock, shares outstanding 218,840,608 218,482,907
Treasury Stock, par value $ 1 $ 1
Treasury Stock, Shares 200,000 200,000