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DEBT (Details Textual)
3 Months Ended
Mar. 31, 2018
USD ($)
instution
Feb. 28, 2018
USD ($)
Dec. 31, 2017
USD ($)
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 1,200,000,000.0    
Number of lending institutions | instution 12    
Annual facility fees, percentage 0.10%    
Ratio of debt to consolidated net worth 3    
Debt to consolidated tangible net worth ratio 167.00%    
Line of credit remaining capacity $ 340,727,000    
Commercial paper classified as long term debt 822,000,000    
Total available proceeds under trade receivables purchase and sale program $ 175,000,000    
Number of days under trade receivables purchase and sale program 364 days    
Trade receivables borrowings $ 0   $ 0
Letters of credit and surety bonds outstanding 350,000,000   350,000,000
Fair value of total debt 5,190,000,000   4,950,000,000
U.S. commercial paper      
Debt Instrument [Line Items]      
Commercial paper classified as long term debt 780,975,000   570,218,000
Unsecured U.S. obligations      
Debt Instrument [Line Items]      
Loans Payable to Bank $ 0   50,000,000
Global revolving credit facility      
Debt Instrument [Line Items]      
Current maturities classified as long-term debt     $ 16,000,000
Unsecured medium term notes due March 2023      
Debt Instrument [Line Items]      
Face amount of unsecured medium-term notes issued   $ 450,000,000  
Debt repurchase price, percentage 101.00%    
Letter of Credit      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 75,000,000    
Letter of credit outstanding amount $ 0    
Minimum      
Debt Instrument [Line Items]      
Annual facility fees, percentage 0.075%    
Maximum      
Debt Instrument [Line Items]      
Annual facility fees, percentage 0.25%