Pension and postretirement benefits (Tables)

6 Months Ended

Jun. 30, 2013

Pension Plans, Defined Benefit [Member]

Schedule Of Net Benefit Costs Table Text Block

		Pension Plan				Benefit Restoration Plans
		Quarters ended June 30,				Quarters ended June 30,
(In thousands)		2013		2012		2013		2012
Interest Cost	$	6,966	$	7,495	$	373	$	393
Expected return on plan assets		(10,804)		(9,810)		(542)		(526)
Amortization of net loss		5,363		5,426		333		323
Total net periodic pension cost (benefit)	$	1,525	$	3,111	$	164	$	190

		Pension Plans				Benefit Restoration Plans
		Six months ended June 30,				Six months ended June 30,
(In thousands)		2013		2012		2013		2012
Interest Cost	$	13,932	$	14,990	$	746	$	786
Expected return on plan assets		(21,608)		(19,620)		(1,083)		(1,052)
Amortization of net loss		10,726		10,852		666		646
Total net periodic pension cost (benefit)	$	3,050	$	6,222	$	329	$	380

Other Postretirement Benefit Plans Defined Benefit [Member]

Schedule Of Net Benefit Costs Table Text Block

		Postretirement Benefit Plan
		Quarters ended June 30,				Six months ended June 30,
(In thousands)		2013		2012		2013		2012
Service cost	$	564	$	548	$	1,128	$	1,096
Interest cost		1,712		1,950		3,424		3,900
Amortization of prior service cost		-		(50)		-		(100)
Amortization of net loss		473		540		946		1,080
Total net periodic postretirement benefit cost	$	2,749	$	2,988	$	5,498	$	5,976