EMPLOYEE BENEFIT PLANS (Details 5) (PLC, Defined Benefit Pension Plan)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)	100.00%	100.00%
Target Allocation for 2015 of plan assets of defined benefit pension plan by category
Target allocation for 2015 (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%	2.00%
Target Allocation for 2015 of plan assets of defined benefit pension plan by category
Target allocation for 2015 (as a percent)	2.00%
Equity securities
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)	62.00%	64.00%
Target Allocation for 2015 of plan assets of defined benefit pension plan by category
Target allocation for 2015 (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)	34.00%	34.00%
Target Allocation for 2015 of plan assets of defined benefit pension plan by category
Target allocation for 2015 (as a percent)	38.00%