Components Of Pension Plan Net Periodic Benefit Costs (Tables)

6 Months Ended

Jun. 30, 2011

Components Of Pension Plan Net Periodic Benefit Costs

Summary Of Components Of Pension Plan Net Periodic Benefit Costs

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
Service cost	$	618		$	713		$	1,236		$	1,426
Interest cost		788			840			1,576			1,679
Expected return on plan assets		(973	)		(924	)		(1,945	)		(1,846	)
Amortization of net loss		122			269			244			538
Net periodic benefit cost	$	555		$	898		$	1,111		$	1,797