Retirement and Other Employee Benefits (Tables)

9 Months Ended

Sep. 30, 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				Nine months ended
	September 30, 2022		October 1, 2021		September 30, 2022		October 1, 2021
Service cost	$	1.5	$	1.5	$	4.4	$	4.5
Interest cost	1.3		1.3		4.0		4.0
Expected return on assets	(0.6)		(0.5)		(2.0)		(1.6)
Amortization of net actuarial loss	0.2		0.1		0.5		0.4
Net periodic benefit costs	$	2.4	$	2.4	$	6.9	$	7.3