EMPLOYEE BENEFIT PLANS (Details 5) (PLC, Defined Benefit Pension Plan)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)	100.00%	100.00%
Target Allocation for 2013 of plan assets of defined benefit pension plan by category
Target allocation for 2013 (as a percent)	100.00%
Cash and cash equivalents
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)	4.00%	1.00%
Target Allocation for 2013 of plan assets of defined benefit pension plan by category
Target allocation for 2013 (as a percent)	2.00%
Equity securities
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)	60.00%	61.00%
Target Allocation for 2013 of plan assets of defined benefit pension plan by category
Target allocation for 2013 (as a percent)	60.00%
Fixed income mutual funds
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)	36.00%	38.00%
Target Allocation for 2013 of plan assets of defined benefit pension plan by category
Target allocation for 2013 (as a percent)	38.00%