Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2012

Employee Benefit Plans [Abstract]

Components of the net periodic pension and postretirement benefit cost

Components of the net periodic pension and postretirement benefit cost for the three months ended September 30, 2012 and 2011 are as follows:

	September 30,
	2012			2011
Service cost	$	192		$	176
Interest cost		1,750			1,904
Expected return on assets		(2,464	)		(2,514	)
Amortization of prior service cost		81			81
Amortization of actuarial loss		149			57
Net periodic pension and postretirement benefit	$	(292	)	$	(296	)

Components of the net periodic pension and postretirement benefit cost for the nine months ended September 30, 2012 and 2011 are as follows:

	September 30,
	2012			2011
Service cost	$	576		$	528
Interest cost		5,250			5,712
Expected return on assets		(7,392	)		(7,542	)
Amortization of prior service cost		243			243
Amortization of actuarial loss		447			171
Net periodic pension and postretirement benefit	$	(876	)	$	(888	)