Retirement and Other Employee Benefits (Tables)

6 Months Ended

Jul. 01, 2022

Retirement Benefits [Abstract]

Net periodic benefit costs of pension plans and post-retirement plans

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
	July 1, 2022		July 2, 2021		July 1, 2022		July 2, 2021
Service cost	$	1.4	$	1.6	$	2.9	$	3.1
Interest cost	1.4		1.3		2.7		2.7
Expected return on assets	(0.7)		(0.5)		(1.4)		(1.1)
Amortization of net actuarial loss	0.1		0.1		0.3		0.3
Net periodic benefit costs	$	2.2	$	2.5	$	4.5	$	5.0