Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

Net periodic benefit cost (income) for our pension and other postretirement plans consists of the following (in thousands):

	Pension Benefits						Other Postretirement Benefits
	Three Months Ended September 30,						Three Months Ended September 30,
	2012			2011			2012			2011
Components of Net Periodic Benefit Cost (Income)
Service cost	$	2,586		$	2,549		$	162		$	109
Interest cost	6,016			6,099			309			337
Expected return on plan assets	(7,501		)	(7,616		)	(253		)	(296		)
Amortization of prior service cost	62			62			(500		)	(500		)
Recognized actuarial loss	2,291			629			234			165
Net Periodic Benefit Cost (Income)	$	3,454		$	1,723		$	(48	)	$	(185	)

7

	Pension Benefits						Other Postretirement Benefits
	Nine Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Components of Net Periodic Benefit Cost (Income)
Service cost	$	8,616		$	7,649		$	406		$	328
Interest cost	17,867			18,296			875			1,011
Expected return on plan assets	(22,497		)	(22,847		)	(766		)	(889		)
Amortization of prior service cost	185			185			(1,499		)	(1,499		)
Recognized actuarial loss	6,485			1,887			593			494
Net Periodic Benefit Cost (Income)	$	10,656		$	5,170		$	(391	)	$	(555	)