We sponsor several defined benefit pension plans. Additionally, we provide varying levels of postretirement health care and life insurance benefits to certain U.S. participants.

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



	Three Months Ended March 31,						Nine Months Ended March 31,
(in thousands)	2019			2018			2019			2018
Service cost	$	406		$	414		$	1,224		$	1,224
Interest cost	7,979			7,716			23,939			23,051
Expected return on plan assets	(13,456		)	(14,188		)	(40,352		)	(42,410		)
Amortization of transition obligation	23			24			68			70
Amortization of prior service (credit) cost	(5		)	(42		)	(15		)	90
Recognition of actuarial losses	1,682			1,746			5,056			5,174
Net periodic pension income	$	(3,371	)	$	(4,330	)	$	(10,080	)	$	(12,801	)

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)	2019			2018			2019			2018
Interest cost	$	153		$	157		$	460		$	471
Amortization of prior service credit	(22		)	(6		)	(68		)	(16		)
Recognition of actuarial loss	62			70			186			210
Net periodic other postretirement benefit cost	$	193		$	221		$	578		$	665

In accordance with ASU 2017-07, as described in Note 2, the service cost of $0.4 million and $1.2 million for the three and nine months ended March 31, 2019 and 2018 was reported as a component of cost of goods sold and operating expense. The other components of net periodic pension income and net periodic other postretirement benefit cost totaling a net benefit of $3.6 million and $10.7 million for the three and nine months ended March 31, 2019, respectively, were presented as a component of other income, net. For the three and nine months ended March 31, 2018, we reclassified a net benefit of $3.0 million and $9.1 million, respectively, from cost of goods sold to other income, net and a net benefit of $1.5 million and $4.2 million, respectively, from operating expense to other income, net.