Pension Plans And Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2012

Pension Plans And Postretirement Benefits [Abstract]

Schedule Of Pension Expense Related To Defined Benefit Pension Plans

	2012			2011
Interest cost	$	2,721		$	2,831
Expected return on plan assets		(2,073	)		(1,411	)
Actuarial loss		1,463			250
Net pension expense	$	2,111		$	1,670