Defined Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2012

Net Periodic Cost (Benefit)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Expected return on plan assets, net of expenses	$	(2,603	)	$	(2,859	)	$	(7,809	)	$	(8,576	)
Interest cost on projected benefit obligation		1,951			1,973			5,851			5,919
Net amortization and deferral		1,427			783			4,084			2,348
Net periodic cost (benefit)	$	775		$	(103	)	$	2,126		$	(309	)