Pension and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2012

Pension and Other Postretirement Benefits [Abstract]

Net periodic cost for pension and other postretirement benefits

	Quarter Ended
	Pension Benefits						Other Postretirement Benefits
	March 31, 2012			March 31, 2011			March 31, 2012		March 31, 2011
(In thousands)
Service cost	$	897		$	1,039		$	2	$	—
Interest cost		6,618			7,344			160		203
Expected return on plan assets		(8,311	)		(8,524	)		—		—
Plan net loss (gain)		2,658			1,596			35		58
Prior service cost (gain)		197			283			193		(63	)
Transition obligation (asset)		(3	)		(5	)		5		192
Net curtailment/settlement loss (gain)		—			—			—		—
Net periodic benefit cost	$	2,056		$	1,733		$	395	$	390