Retirement Benefits (Tables)

3 Months Ended

Mar. 29, 2026

Retirement Benefits [Abstract]

Schedule of Defined Benefit Plans

For the quarters ended March 29, 2026 and March 30, 2025, the components of pension and other postretirement benefit expense for the Company’s defined benefit plans included the following (in millions): 

	Pension Benefits				Other Postretirement Benefits
	Quarter ended				Quarter ended
	March 29, 2026		March 30, 2025		March 29, 2026		March 30, 2025
Service cost - benefits earned during the year	$	1.4	$	1.3	$	0.1	$	0.1
Interest cost on benefits earned in prior years	4.8		4.3		2.2		2.4
Expected return on plan assets	(4.1)		(4.0)		—		—
Amortization of prior service cost (credit)	0.1		0.1		—		(0.2)
Amortization of net actuarial loss	—		—		1.3		1.3
Total retirement benefit expense	$	2.2	$	1.7	$	3.6	$	3.6