Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2012

Employee Benefit Plans [Abstract]

Net Periodic Pension Cost

	Three Months Ended March 31
	2012			2011
Service cost	$	696		$	612
Interest cost		1,200			1,110
Expected return on plan assets		(1,989	)		(2,055	)
Amortization of transition asset		0			0
Recognized net actuarial loss		1,026			562
Amortization of prior service cost		0			0
Net periodic pension (benefit) cost	$	933		$	229
Weighted-Average Assumptions:
Discount rate		5.15	%		5.75	%
Expected return on assets		8.00	%		8.00	%
Rate of compensation increase (prior to age 45)		3.75	%		3.75	%
Rate of compensation increase		2.75	%		2.75	%