Pension and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2012

Net Periodic Benefit Cost

Components of Net Periodic Benefit Cost

	Three Months Ended September 30,
	Pension Benefits						SERP					Other Postretirement Benefits
	2012			2011			2012			2011		2012		2011
Service cost	$	1,149		$	863		$	530		$	18	$	272	$	194
Interest cost		1,756			1,771			109			77		201		185
Expected return on plan assets		(2,179	)		(2,072	)		0			0		0		0
Amortization of prior service cost		7			6			100			29		29		16
Amortization of transition obligation		0			0			0			0		28		28
Amortization of net actuarial loss		538			58			(6	)		26		16		0
Net periodic postretirement benefit cost	$	1,271		$	626		$	733		$	150	$	546	$	423

	Nine Months Ended September 30,
	Pension Benefits						SERP				Other Postretirement Benefits
	2012			2011			2012		2011		2012		2011
Service cost	$	3,551		$	3,359		$	598	$	80	$	816	$	582
Interest cost		5,308			5,159			258		219		603		555
Expected return on plan assets		(6,877	)		(7,198	)		0		0		0		0
Amortization of prior service cost		20			18			155		87		85		48
Amortization of transition obligation		0			0			0		0		85		84
Amortization of net actuarial (gain) or loss		2,146			2,098			103		98		47		0
Net periodic postretirement benefit cost	$	4,148		$	3,436		$	1,114	$	484	$	1,636	$	1,269