Benefit Plans - Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 05, 2026	Mar. 30, 2025
Pension Benefits [Member]
Benefit Plans [Abstract]
Service cost	$ 0.9	$ 1.0
Interest cost	4.0	4.2
Expected return on plan assets	(5.9)	(5.5)
Amortization of recognized net actuarial (gain) loss	0.1	0.2
Net periodic benefit cost	(0.9)	(0.1)
Postretirement Benefits [Member]
Benefit Plans [Abstract]
Service cost	0.0	0.0
Interest cost	0.0	0.0
Amortization of recognized net actuarial (gain) loss	(0.1)	(0.1)
Net periodic benefit cost	$ (0.1)	$ (0.1)