BENEFIT PLANS (Components Of Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Pension Plans, Defined Benefit
Components of Net Periodic Benefit Cost
Service cost	$ 4,958	$ 5,587	$ 16,852	$ 16,762
Interest cost	10,179	10,798	30,816	32,395
Expected return on plan assets	(11,926)	(12,195)	(35,500)	(36,585)
Curtailment loss	0	0	855	0
Amortization of prior service cost	79	69	259	206
Amortization of actuarial loss	4,264	4,882	16,259	14,645
Net periodic pension benefit cost	7,554	9,141	29,541	27,423
Pretax reclassification from AOCI included in net periodic pension benefit cost	4,343	4,951	17,373	14,851
Other Postretirement Benefit Plans, Defined Benefit
Components of Net Periodic Benefit Cost
Service cost	708	1,166	2,123	3,499
Interest cost	815	1,563	2,445	4,687
Amortization of prior service cost	(1,215)	(169)	(3,647)	(506)
Amortization of actuarial loss	343	287	1,029	862
Net periodic pension benefit cost	651	2,847	1,950	8,542
Pretax reclassification from AOCI included in net periodic pension benefit cost	$ (872)	$ 118	$ (2,618)	$ 356