Retirement and Other Employee Benefits (Tables)

6 Months Ended

Jun. 28, 2024

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
	June 28, 2024		June 30, 2023		June 28, 2024		June 30, 2023
Service cost	$	1.8	$	1.4	$	3.6	$	2.8
Interest cost	2.1		1.8		4.2		3.6
Expected return on assets	(0.8)		(0.8)		(1.7)		(1.6)
Amortization of net actuarial loss	0.4		0.1		0.9		0.3
Net periodic benefit costs	$	3.5	$	2.5	$	7.0	$	5.1