Retirement and Other Employee Benefits

6 Months Ended

Jun. 26, 2020

The following table sets forth the net periodic benefit costs of our defined benefit pension plans and post-retirement benefit plans (U.S. dollars in millions):


	Quarter ended						Six months ended
	June 26, 2020		June 28, 2019		June 26, 2020		June 28, 2019
Service cost	$	1.6	$	1.4	$	3.2	$	2.8
Interest cost	1.5		1.7		2.9		3.4
Expected return on assets	(0.6)		(0.8)		(1.2)		(1.6)
Amortization of net actuarial loss	0.3		0.1		0.6		0.2
Net periodic benefit costs	$	2.8	$	2.4	$	5.5	$	4.8

We provide certain other retirement benefits to certain employees who are not U.S.-based and are not included above. Generally, benefits under these programs are based on an employee’s length of service and level of compensation. These programs are immaterial to our consolidated financial statements. The net periodic benefit costs related to other non-U.S.-based plans is $0.8 million for the quarters ended June 26, 2020 and June 28, 2019. The net periodic benefit costs related to other non-U.S.-based plans is $1.6 million for the six months ended June 26, 2020 and June 28, 2019.