v3.4.0.3
DERIVATIVES AND RISK MANAGEMENT ACTIVITIES Table 3 (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Derivative Instruments, Gain (Loss)    
Gain (loss) to be reclassified during next 12 months, forward-starting interest rate swaps $ (7,900)  
Designated as Hedging Instrument | Fair Value Hedges | Commodity contracts | Cost of product sales    
Derivative Instruments, Gain (Loss)    
Gain (loss) recognized in income on derivative (1,012) $ 2,164
Gain (loss) recognized in income on hedged item 2,866 (1,676)
Gain (loss) recognized in income for ineffective portion 1,854 488
Designated as Hedging Instrument | Cash Flow Hedges | Interest rate swaps | Interest expense, net    
Derivative Instruments, Gain (Loss)    
Gain (loss) reclassified from AOCI into interest expense, net (effective portion) (a) (2,222) (2,538)
Designated as Hedging Instrument | Cash Flow Hedges | Interest rate swaps | Other comprehensive income    
Derivative Instruments, Gain (Loss)    
Gain (loss) recognized in other comprehensive income on derivative (effective portion) (29,978) (2,035)
Not Designated as Hedging Instrument | Commodity contracts | Cost of product sales    
Derivative Instruments, Gain (Loss)    
Gain (loss) recognized in income on derivative $ 720 $ 330