EMPLOYER BENEFIT PLANS Amounts in AOCI to be Recognized over Next Fiscal Year (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Pension [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of loss	$ 14,303
Amortization of prior service cost	750
Amortization of negative plan amendment	0
Total amortization of AOCI loss	15,053
Postretirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of loss	714
Amortization of prior service cost	17
Amortization of negative plan amendment	(282)
Total amortization of AOCI loss	$ 449