Pension and Other Postretirement Plans (Tables)

6 Months Ended

Jun. 30, 2012

Pension and Other Postretirement Plans (Tables) [Abstract]

Net Periodic Benefit Cost

		Three Months Ended				Six Months Ended
(In thousands)		June 30,				June 30,
		2012		2011		2012		2011
Pension Benefits
Components of net periodic benefit cost:
Service cost	$	1,920	$	1,514	$	3,743	$	3,054
Interest cost		3,321		3,030		6,475		6,110
Expected return on assets		(4,021)		(3,473)		(7,839)		(7,004)
Amortization of:
Prior service cost		114		107		222		216
Actuarial loss		2,112		931		4,118		1,877
Net periodic benefit cost	$	3,446	$	2,109	$	6,719	$	4,253
Postretirement Benefits
Components of net periodic benefit cost:
Service cost	$	606	$	514	$	1,253	$	1,001
Interest cost		1,053		1,036		2,178		2,018
Expected return on assets		(407)		(418)		(842)		(814)
Amortization of:
Transition obligation		99		113		206		219
Prior service cost		26		29		54		57
Actuarial loss		581		117		1,201		228
Net periodic benefit cost	$	1,958	$	1,391	$	4,050	$	2,709