Pension and Other Postretirement Plans (Tables)

3 Months Ended

Mar. 31, 2013

Pension and Other Postretirement Plans (Tables) [Abstract]

Net Periodic Benefit Cost

		Three Months Ended
		March 31,
(In thousands)		2013		2012
Pension Benefits
Components of net periodic benefit cost:
Service cost	$	1,929	$	1,823
Interest cost		3,186		3,154
Expected return on assets		(4,776)		(3,818)
Amortization of:
Prior service cost		79		108
Actuarial loss		2,015		2,006
Net periodic benefit cost	$	2,433	$	3,273
Postretirement Benefits
Components of net periodic benefit cost:
Service cost	$	596	$	647
Interest cost		970		1,125
Expected return on assets		(544)		(435)
Amortization of:
Transition obligation		1		106
Prior service cost		28		28
Actuarial loss		311		621
Net periodic benefit cost	$	1,362	$	2,092