Retirement And Other Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2012

Net Periodic Benefit Cost For The Defined Benefit Plans

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2012			2011			2012			2011
Service cost	$	13		$	19		$	47		$	40
Interest cost		1,545			1,731			4,627			5,015
Expected return on plan assets		(2,034	)		(1,996	)		(5,902	)		(5,651	)
Amortization:
Unrecognized net transition asset		(24	)		(24	)		(70	)		(69	)
Unrecognized prior service cost (credit)		2			2			6			5
Unrecognized loss		484			286			1,378			844
Net periodic pension benefit cost	$	14		$	18		$	86		$	184

Net Periodic Postretirement Benefit Cost

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2012			2011		2012		2011
Interest cost	$	9		$	15	$	33	$	44
Amortization of unrecognized loss		(3	)		3		3		5
Net periodic postretirement benefit cost	$	6		$	18	$	36	$	49