Retirement and Other Employee Benefits (Tables)

9 Months Ended

Sep. 29, 2023

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 29, 2023		September 30, 2022		September 29, 2023		September 30, 2022
Service cost	$	1.3	$	1.5	$	4.1	$	4.4
Interest cost	1.9		1.3		5.5		4.0
Expected return on assets	(0.8)		(0.6)		(2.4)		(2.0)
Amortization of net actuarial loss	0.2		0.2		0.5		0.5
Net periodic benefit costs	$	2.6	$	2.4	$	7.7	$	6.9