DERIVATIVES AND HEDGING ACTIVITIES (Narrative) (Detail)	12 Months Ended
	Dec. 31, 2015 customer
Derivative [Line Items]
Discussion of price risk derivative risk management policy in future	15 months
Sales Revenue, Net [Member]
Derivative [Line Items]
Concentration Risk, Number Of Customers	0
Accounts Receivable [Member]
Derivative [Line Items]
Concentration risk	11.20%