Benefit Plans (Tables)

3 Months Ended

Sep. 30, 2013

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)	2013			2012
Service cost	$	1,716		$	1,951
Interest cost	10,176			9,581
Expected return on plan assets	(14,796		)	(14,078		)
Amortization of transition obligation	18			18
Amortization of prior service credit	(59		)	(49		)
Recognition of actuarial losses	662			3,747
Net periodic pension cost	$	(2,283	)	$	1,170

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)	2013			2012
Service cost	$	14		$	18
Interest cost	251			234
Amortization of prior service cost	(28		)	(28		)
Recognition of actuarial loss	79			104
Net periodic other postretirement benefit cost	$	316		$	328