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EMPLOYEE BENEFIT PLANS (Details 5)	12 Months Ended
EMPLOYEE BENEFIT PLANS (Details 5)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Funded Percentage	100.00%	100.00%
Expected long-term rate of return	7.75%	7.75%	8.25%
Pension Plans, Defined Benefit [Member] \| Equity Securities [Member]
Defined Benefit Plan, Funded Percentage	63.00%	64.00%
Expected long-term rate of return	9.65%
Pension Plans, Defined Benefit [Member] \| Equity Securities [Member] \| Minimum [Member]
Defined Benefit Plan, Target Allocation Percentage	55
Pension Plans, Defined Benefit [Member] \| Equity Securities [Member] \| Maximum [Member]
Defined Benefit Plan, Target Allocation Percentage	65
Pension Plans, Defined Benefit [Member] \| Debt Securities [Member]
Defined Benefit Plan, Funded Percentage	33.00%	30.00%
Expected long-term rate of return	4.80%
Pension Plans, Defined Benefit [Member] \| Debt Securities [Member] \| Minimum [Member]
Defined Benefit Plan, Target Allocation Percentage	35
Pension Plans, Defined Benefit [Member] \| Debt Securities [Member] \| Maximum [Member]
Defined Benefit Plan, Target Allocation Percentage	45
Pension Plans, Defined Benefit [Member] \| Other Debt Obligations [Member]
Defined Benefit Plan, Funded Percentage	4.00%	6.00%
Expected long-term rate of return	0.25%
Pension Plans, Defined Benefit [Member] \| Other Debt Obligations [Member] \| Minimum [Member]
Defined Benefit Plan, Target Allocation Percentage	5
Pension Plans, Defined Benefit [Member] \| Other Debt Obligations [Member] \| Maximum [Member]
Defined Benefit Plan, Target Allocation Percentage	10
Supplemental Employee Retirement Plans, Defined Benefit [Member]
Defined Benefit Plan, Funded Percentage	100.00%	100.00%
Expected long-term rate of return	7.75%	7.75%	8.25%
Supplemental Employee Retirement Plans, Defined Benefit [Member] \| Equity Securities [Member]
Defined Benefit Plan, Funded Percentage	63.00%	66.00%
Expected long-term rate of return	9.65%
Supplemental Employee Retirement Plans, Defined Benefit [Member] \| Equity Securities [Member] \| Minimum [Member]
Defined Benefit Plan, Target Allocation Percentage	55
Supplemental Employee Retirement Plans, Defined Benefit [Member] \| Equity Securities [Member] \| Maximum [Member]
Defined Benefit Plan, Target Allocation Percentage	65
Supplemental Employee Retirement Plans, Defined Benefit [Member] \| Debt Securities [Member]
Defined Benefit Plan, Funded Percentage	34.00%	27.00%
Expected long-term rate of return	4.79%
Supplemental Employee Retirement Plans, Defined Benefit [Member] \| Debt Securities [Member] \| Minimum [Member]
Defined Benefit Plan, Target Allocation Percentage	35
Supplemental Employee Retirement Plans, Defined Benefit [Member] \| Debt Securities [Member] \| Maximum [Member]
Defined Benefit Plan, Target Allocation Percentage	45
Supplemental Employee Retirement Plans, Defined Benefit [Member] \| Other Debt Obligations [Member]
Defined Benefit Plan, Funded Percentage	3.00%	7.00%
Expected long-term rate of return	0.25%
Supplemental Employee Retirement Plans, Defined Benefit [Member] \| Other Debt Obligations [Member] \| Minimum [Member]
Defined Benefit Plan, Target Allocation Percentage	5
Supplemental Employee Retirement Plans, Defined Benefit [Member] \| Other Debt Obligations [Member] \| Maximum [Member]
Defined Benefit Plan, Target Allocation Percentage	10

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References+ Details

- Definition

Description of target allocation percentages, or range of percentages, considering the major categories of plan assets as of the latest statement of financial position presented (on a weighted-average basis for employers with more than one plan) that are pertinent to an understanding of the plan investment policies and strategies.

+ References+ Details