Benefit Plans (Tables)

9 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Net periodic pension (income)

The table below summarizes the components of net periodic pension (income):

	Three Months Ended March 31,						Nine Months Ended March 31,
(in thousands)	2015			2014			2015			2014
Service cost	$	1,349		$	1,731		$	4,148		$	5,179
Interest cost	9,575			10,311			29,256			30,795
Expected return on plan assets	(14,797		)	(14,920		)	(44,744		)	(44,632		)
Amortization of transition obligation	18			20			58			58
Amortization of prior service credit	(72		)	(58		)	(213		)	(175		)
Recognition of actuarial losses	871			671			2,809			1,983
Curtailment loss	—			—			358			—
Special termination benefit charge	—			—			459			—
Net periodic pension (income)	$	(3,056	)	$	(2,245	)	$	(7,869	)	$	(6,792	)

Net periodic other postretirement costs

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

	Three Months Ended March 31,						Nine Months Ended March 31,
(in thousands)	2015			2014			2015			2014
Service cost	$	27		$	14		$	81		$	42
Interest cost	259			251			778			753
Amortization of prior service credit (cost)	(28		)	(28		)	(83		)	(84		)
Recognition of actuarial loss	207			79			621			237
Curtailment gain	—			—			(221		)	—
Net periodic other postretirement benefit cost	$	465		$	316		$	1,176		$	948