Pension and Other Postretirement Plans (Tables)

9 Months Ended

Sep. 30, 2012

Pension and Other Postretirement Plans (Tables) [Abstract]

Net Periodic Benefit Cost

		Three Months Ended				Nine Months Ended
(In thousands)		September 30,				September 30,
		2012		2011		2012		2011
Pension Benefits
Components of net periodic benefit cost:
Service cost	$	1,871	$	1,527	$	5,613	$	4,581
Interest cost		3,236		3,055		9,711		9,165
Expected return on assets		(3,917)		(3,502)		(11,756)		(10,507)
Amortization of:
Prior service cost		111		108		333		324
Actuarial loss		2,058		939		6,177		2,816
Net periodic benefit cost	$	3,359	$	2,127	$	10,078	$	6,379
Postretirement Benefits
Components of net periodic benefit cost:
Service cost	$	626	$	500	$	1,879	$	1,501
Interest cost		1,089		1,010		3,267		3,028
Expected return on assets		(421)		(407)		(1,263)		(1,221)
Amortization of:
Transition obligation		103		110		309		329
Prior service cost		27		28		81		85
Actuarial loss		601		114		1,802		342
Net periodic benefit cost	$	2,025	$	1,355	$	6,075	$	4,064