FAIR VALUE MEASUREMENTS (Details 1) - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Sep. 30, 2015
Interest Rate Swap      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset $ 2,500,000 $ 1,100,000 $ 1,700,000
Derivative Liability 2,500,000 1,600,000 2,400,000
Interest Rate Swap | Fair Value, Inputs, Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 0 0 0
Derivative Liability 0 0 0
Interest Rate Swap | Fair Value, Inputs, Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 2,500,000 1,100,000 1,700,000
Derivative Liability 2,500,000 1,600,000 2,400,000
Interest Rate Swap | Fair Value, Inputs, Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 0 0 0
Derivative Liability 0 0 0
Commodity Contract      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 900,000    
Derivative Liability 3,900,000 11,600,000 11,800,000
Commodity Contract | Fair Value, Inputs, Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 0    
Derivative Liability 0 0 0
Commodity Contract | Fair Value, Inputs, Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 900,000    
Derivative Liability 3,900,000 11,600,000 11,800,000
Commodity Contract | Fair Value, Inputs, Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 0    
Derivative Liability 0 0 $ 0
Foreign Exchange Contract      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 0 100,000  
Derivative Liability 800,000    
Foreign Exchange Contract | Fair Value, Inputs, Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 0 0  
Derivative Liability 0    
Foreign Exchange Contract | Fair Value, Inputs, Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 0 100,000  
Derivative Liability 800,000    
Foreign Exchange Contract | Fair Value, Inputs, Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset 0 $ 0  
Derivative Liability $ 0