Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2011

Employee Benefit Plans

Periodic Benefit Expense Net

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2011			2010			2011			2010
Service cost	$	999		$	486		$	3,013		$	811
Interest cost		307			436			651			811
Expected return on assets		(787	)		(1,518	)		(1,628	)		(2,943	)
Prior service costs		173			200			351			375
Settlement loss		—			1,592			—			1,592
Curtailment charges		1,713			1,347			1,713			1,347
Net periodic benefit expense	$	2,405		$	2,543		$	4,100		$	1,993