BENEFIT PLANS (Reconciliation of Fair Value Measurements of Pension Plan Assets Using Significant Unobservable Inputs ( Level 3)) (Details) (Fair Value, Inputs, Level 3, Venture Capital And Partnerships [Member], Pension Plans, Defined Benefit, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Inputs, Level 3 | Venture Capital And Partnerships [Member] | Pension Plans, Defined Benefit
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value of assets at beginning of year	$ 98,011	$ 106,801
Total gains (losses) for the period	10,581	(6,858)
Purchases, sales and settlements, net	(20,110)	15,356
Transfers in (out) of Level 3	0	(17,288)
Fair value of assets at end of year	$ 88,482	$ 98,011