Employee Retirement And Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2012

Defined Benefit Plans [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule Of Net Benefit Costs

	Three Months Ended March 31
	2012			2011
	(In thousands)
Components of net periodic pension cost:
Service cost	$	1,126		$	710
Interest cost		3,631			3,803
Expected return on plan assets		(4,402	)		(4,241	)
Amortizations:
Unrecognized transition obligation		28			28
Prior service cost		194			191
Unrecognized net loss		2,918			2,265
Net periodic benefit cost	$	3,495		$	2,756

Postretirement Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule Of Net Benefit Costs

	Three Months Ended March 31
	2012		2011
	(In thousands)
Components of net periodic benefit cost:
Service cost	$	147	$	7
Interest cost		337		190
Amortizations:
Prior service cost/(credit)		6		(16	)
Unrecognized net loss		32		124
Net periodic benefit cost	$	522	$	305