BENEFIT PLANS (Components Of Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Pension Plans, Defined Benefit
Components of Net Periodic Benefit Cost
Service cost	$ 5,821	$ 5,588	$ 11,894	$ 11,175
Interest cost	10,291	10,799	20,637	21,597
Expected return on plan assets	(11,815)	(12,195)	(23,574)	(24,390)
Curtailment loss	855	0	855	0
Amortization of prior service cost	85	68	180	137
Amortization of actuarial loss	5,575	4,881	11,995	9,763
Net periodic pension benefit cost	10,812	9,141	21,987	18,282
Pretax reclassification from AOCI included in net periodic pension benefit cost	6,515	4,949	13,030	9,900
Other Postretirement Benefit Plans, Defined Benefit
Components of Net Periodic Benefit Cost
Service cost	707	1,167	1,415	2,333
Interest cost	815	1,562	1,630	3,124
Amortization of prior service cost	(1,216)	(168)	(2,432)	(337)
Amortization of actuarial loss	343	288	686	575
Net periodic pension benefit cost	649	2,849	1,299	5,695
Pretax reclassification from AOCI included in net periodic pension benefit cost	$ (873)	$ 120	$ (1,746)	$ 238