BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2016

Pension Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

PENSION BENEFITS	Three Months Ended		Nine Months Ended
	September 30		September 30
in thousands	2016	2015	2016	2015
Components of Net Periodic Benefit Cost
Service cost	$        1,335	$        1,213	$        4,007	$        3,638
Interest cost	9,127	11,004	27,379	33,077
Expected return on plan assets	(12,891)	(13,683)	(38,672)	(41,051)
Settlement charge	0	2,031	0	2,031
Amortization of prior service cost (credit)	(11)	12	(32)	36
Amortization of actuarial loss	1,540	5,383	4,622	16,292
Net periodic pension benefit cost (credit)	$          (900)	$        5,960	$       (2,696)	$      14,023
Pretax reclassifications from AOCI included in
net periodic pension benefit cost	$        1,529	$        7,426	$        4,590	$      18,359

Other Postretirement Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

OTHER POSTRETIREMENT BENEFITS	Three Months Ended		Nine Months Ended
	September 30		September 30
in thousands	2016	2015	2016	2015
Components of Net Periodic Benefit Cost
Service cost	$           281	$           473	$           842	$        1,420
Interest cost	302	621	907	1,864
Amortization of prior service credit	(1,059)	(1,058)	(3,177)	(3,174)
Amortization of actuarial (gain) loss	(438)	9	(1,313)	28
Net periodic postretirement benefit cost (credit)	$          (914)	$             45	$       (2,741)	$           138
Pretax reclassifications from AOCI included in
net periodic postretirement benefit credit	$       (1,497)	$       (1,049)	$       (4,490)	$       (3,146)