Retirement benefits

9 Months Ended

Mar. 31, 2019

Net pension benefit cost recognized included the following components:



	Three Months Ended						Nine Months Ended
	March 31,						March 31,
	2019			2018			2019			2018
Service cost	$	19,126		$	20,711		$	57,618		$	62,011
Interest cost	40,124			36,027			120,541			107,851
Expected return on plan assets	(62,844		)	(64,437		)	(188,422		)	(192,963		)
Amortization of prior service cost	1,665			1,575			4,990			5,190
Amortization of net actuarial loss	29,988			36,278			89,973			110,428
Amortization of initial net obligation	4			4			13			14
Net pension benefit cost	$	28,063		$	30,158		$	84,713		$	92,531

During the three months ended March 31, 2019 and 2018, the Company recognized $114 and $(100), respectively, in expense (income) related to other postretirement benefits. During the nine months ended March 31, 2019 and 2018, the Company recognized $1,395 and $2,080, respectively, in expense related to other postretirement benefits. Components of net pension benefit cost and other postretirement benefit cost, other than service cost, are included in other (income), net in the Consolidated Statement of Income.

In September 2018, the Company made a discretionary $200 million cash contribution to its domestic qualified defined benefit plan.