Pensions and Other Postretirement Benefits

6 Months Ended

Dec. 31, 2011

Pensions and Other Postretirement Benefits [Abstract]

Pensions and Other Postretirement Benefits

8. Pensions and Other Postretirement Benefits

The components of pension benefit cost are as follows (in thousands):

	Three Months Ended December 31,						Six Months Ended December 31,
	2011			2010			2011			2010
Service cost	$	1,381		$	451		$	2,762		$	2,648
Interest cost		2,123			487			4,246			2,454
Expected return on plan assets		(2,166	)		(472	)		(4,332	)		(2,284	)
Amortization of prior service cost		65			13			130			66
Recognized actuarial losses		290			893			580			1,786
Amortization of transition obligation		10			9			20			18
Benefit cost	$	1,703		$	1,381		$	3,406		$	4,688

The components of retiree health care benefit cost are as follows (in thousands):

	Three Months Ended December 31,						Six Months Ended December 31,
	2011			2010			2011			2010
Service cost	$	274		$	342		$	548		$	684
Interest cost		586			617			1,172			1,234
Amortization of prior service cost		(516	)		(516	)		(1,032	)		(1,032	)
Recognized actuarial losses		82			333			164			666
Benefit cost	$	426		$	776		$	852		$	1,552