BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2013

BENEFIT PLANS [Abstract]

Components of Net Periodic Benefit Cost

PENSION BENEFITS	Three Months Ended		Six Months Ended
		June 30		June 30
in thousands	2013	2012	2013	2012
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 BENEFITS	Three Months Ended		Six Months Ended
		June 30		June 30
in thousands	2013	2012	2013	2012
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 credit	(1,216)	(168)	(2,432)	(337)
Amortization of actuarial loss	343	288	686	575
Net periodic postretirement benefit cost	$           649	$        2,849	$        1,299	$        5,695
Pretax reclassification from AOCI included in
net periodic postretirement benefit cost	$          (873)	$           120	$       (1,746)	$           238