Employee Benefits (Tables)

6 Months Ended

Jun. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Net Periodic Benefit Cost [Table Text Block]

The components of the net periodic benefit cost for our pension and postretirement benefit plans are as follows:

(In Thousands)	Pension Plan						Postretirement Benefit Plan
Three Months Ended June 30,	2012			2011			2012			2011
Net periodic benefit cost
Service cost	$	1,278		$	870		$	496		$	614
Interest cost	1,334			1,237			398			439
Expected return on plan assets	(1,360		)	(1,512		)	—			—
Amortization of prior service cost	—			3			(8		)	(2		)
Amortization of net loss	1,684			639			56			92
Net periodic benefit cost	$	2,936		$	1,237		$	942		$	1,143

(In Thousands)	Pension Plan						Postretirement Benefit Plan
Six Months Ended June 30,	2012			2011			2012			2011
Net periodic benefit cost
Service cost	$	2,069		$	1,583		$	992		$	993
Interest cost	2,524			2,380			796			795
Expected return on plan assets	(2,682		)	(2,644		)	—			—
Amortization of prior service cost	3			6			(17		)	(16		)
Amortization of net loss	2,276			1,184			112			112
Net periodic benefit cost	$	4,190		$	2,509		$	1,883		$	1,884