Benefit Plans (Tables)

3 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Net periodic pension cost

The table below summarizes the components of net periodic pension cost:

	Three Months Ended September 30,
(in thousands)	2012			2011
Service cost	$	1,951		$	1,728
Interest cost	9,581			10,380
Expected return on plan assets	(14,078		)	(12,709		)
Amortization of transition obligation	18			16
Amortization of prior service credit	(49		)	(46		)
Settlement loss	—			256
Recognition of actuarial losses	3,747			2,063
Net periodic pension cost	$	1,170		$	1,688

Net periodic other postretirement costs (benefit)

The table below summarizes the components of the net periodic other postretirement benefit cost:

	Three Months Ended September 30,
(in thousands)	2012			2011
Service cost	$	18		$	19
Interest cost	234			257
Amortization of prior service cost	(28		)	(22		)
Recognition of actuarial gains	104			(14		)
Net periodic other postretirement benefit cost	$	328		$	240