EMPLOYEE BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2014

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Schedule of Net Benefit Costs

The net pension and postretirement benefit costs that have been recorded are shown in the following tables:

	Pension						Postretirement
	Three Months Ended March 31,						Three Months Ended March 31,
	2014			2013			2014			2013
Components of Net Periodic Benefit Cost
Service cost	$	1,624		$	2,419		$	179		$	249
Interest cost	4,683			4,834			206			240
Expected return on plan assets	(6,658		)	(7,424		)	—			—
Amortization of prior service cost	292			388			4			6
Amortization of losses	2,737			5,727			129			218
Amortization of negative plan amendment	—			—			(134		)	—
Net periodic benefit cost	$	2,678		$	5,944		$	384		$	713