Pension Information (Tables)

6 Months Ended

Jun. 30, 2012

Pension Information [Abstract]

Net periodic pension expense

	Three months ended June 30						Six months ended June 30
	2012			2011			2012			2011
Service cost	$	235		$	211		$	470		$	423
Interest cost		229			204			458			408
Expected return on plan assets		(215	)		(207	)		(229	)		(414	)
Other components		90			86			180			172
Net periodic pension cost	$	339		$	294		$	879		$	589