Retirement And Other Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2011

Retirement And Other Postretirement Benefit Plans

Net Periodic Benefit Cost for the Defined Benefit Plans, Pensions

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
Service cost	$	14		$	922		$	21		$	1,810
Interest cost		1,585			1,748			3,284			3,516
Expected return on plan assets		(1,764	)		(1,873	)		(3,655	)		(3,745	)
Amortization:
Unrecognized net transition asset		(22	)		(23	)		(45	)		(46	)
Unrecognized prior service cost (credit)		2			(295	)		3			(594	)
Unrecognized loss		264			745			558			1,441
Net periodic pension benefit cost	$	79		$	1,224		$	166		$	2,382

Net Periodic Benefit Cost for the Defined Benefit Plans, Other Postretirement Benefit Plans

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Interest cost	$	14	$	16	$	29	$	33
Amortization of unrecognized loss		2		—		2		—
Net periodic postretirement benefit cost	$	16	$	16	$	31	$	33