RETIREMENT PLANS (Pension Plan Weighted-Average Assets' Allocations) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Weighted-Average Asset Allocation	100.00%	100.00%
Equity securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted-Average Asset Allocation	48.00%	47.00%
Debt securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted-Average Asset Allocation	47.00%	47.00%
Short-term fixed income [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted-Average Asset Allocation	0.00%	1.00%
Real estate [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted-Average Asset Allocation	5.00%	5.00%