RETIREMENT PLAN AND POST-RETIREMENT BENEFITS, Allocation of Plan Assets (Details)	Dec. 31, 2012	Dec. 31, 2011
United States Pension Plans of US Entity, Defined Benefit [Member] | Cash and Cash Equivalents [Member]
Allocation of Plan Assets [Abstract]
Defined Benefit Plan, Actual Plan Asset Allocations	6.00%	5.00%
United States Pension Plans of US Entity, Defined Benefit [Member] | U S Equity Securities [Member]
Allocation of Plan Assets [Abstract]
Defined Benefit Plan, Actual Plan Asset Allocations	26.00%	19.00%
Defined Benefit Plan Weighted Average Target Allocation Percentage Of Assets	20.00%	20.00%
United States Pension Plans of US Entity, Defined Benefit [Member] | Small and Mid-Cap [Member]
Allocation of Plan Assets [Abstract]
Defined Benefit Plan, Actual Plan Asset Allocations	27.00%	26.00%
United States Pension Plans of US Entity, Defined Benefit [Member] | Broad Market Domestic Investments [Member]
Allocation of Plan Assets [Abstract]
Defined Benefit Plan, Actual Plan Asset Allocations	73.00%	74.00%
United States Pension Plans of US Entity, Defined Benefit [Member] | International Equity Securities [Member]
Allocation of Plan Assets [Abstract]
Defined Benefit Plan, Actual Plan Asset Allocations	7.00%	14.00%
Defined Benefit Plan Weighted Average Target Allocation Percentage Of Assets	15.00%	15.00%
United States Pension Plans of US Entity, Defined Benefit [Member] | Fixed Income Funds [Member]
Allocation of Plan Assets [Abstract]
Defined Benefit Plan, Actual Plan Asset Allocations	61.00%	61.00%
Defined Benefit Plan Weighted Average Target Allocation Percentage Of Assets	65.00%	65.00%
United States Pension Plans of US Entity, Defined Benefit [Member] | Plan Assets Other [Member]
Allocation of Plan Assets [Abstract]
Defined Benefit Plan, Actual Plan Asset Allocations	0.00%	1.00%
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member] | Cash and Cash Equivalents [Member]
Allocation of Plan Assets [Abstract]
Defined Benefit Plan, Actual Plan Asset Allocations	3.00%	3.00%
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member] | Equity Securities [Member]
Allocation of Plan Assets [Abstract]
Defined Benefit Plan, Actual Plan Asset Allocations	49.00%	51.00%
Defined Benefit Plan Weighted Average Target Allocation Percentage Of Assets	60.00%	60.00%
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member] | Small and Mid-Cap [Member]
Allocation of Plan Assets [Abstract]
Defined Benefit Plan, Actual Plan Asset Allocations	27.00%	26.00%
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member] | Broad Market Domestic Investments [Member]
Allocation of Plan Assets [Abstract]
Defined Benefit Plan, Actual Plan Asset Allocations	73.00%	74.00%
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member] | Fixed Income Funds [Member]
Allocation of Plan Assets [Abstract]
Defined Benefit Plan, Actual Plan Asset Allocations	48.00%	46.00%
Defined Benefit Plan Weighted Average Target Allocation Percentage Of Assets	40.00%	40.00%