v3.5.0.2
DERIVATIVES AND RISK MANAGEMENT ACTIVITIES Table 3 (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Derivative Instruments, Gain (Loss)        
Gain (loss) to be reclassified during next 12 months, forward-starting interest rate swaps $ (7,100)   $ (7,100)  
Designated as Hedging Instruments | Fair Value Hedges | Commodity contracts | Cost of product sales        
Derivative Instruments, Gain (Loss)        
Gain (loss) recognized in income on derivative 558 $ 16,005 (6,246) $ 11,506
Gain (loss) recognized in income on hedged item 329 (15,479) 10,134 (8,748)
Gain (loss) recognized in income for ineffective portion 887 526 3,888 2,758
Designated as Hedging Instruments | Cash Flow Hedges | Interest rate swaps | Other comprehensive income        
Derivative Instruments, Gain (Loss)        
Gain (loss) recognized in other comprehensive income on derivative (effective portion) (2,035) (16,757) (52,213) 1,996
Designated as Hedging Instruments | Cash Flow Hedges | Interest rate swaps | Interest expense, net        
Derivative Instruments, Gain (Loss)        
Gain (loss) reclassified from AOCI into interest expense, net (effective portion) (2,011) (2,405) (6,391) (7,449)
Not Designated as Hedging Instruments | Commodity contracts | Cost of product sales        
Derivative Instruments, Gain (Loss)        
Gain (loss) recognized in income on derivative $ (153) $ 1,151 $ (157) $ 1,142