v3.24.1.u1
Pension and Other Post-Retirement Benefits Pension and Other Post-Retirement Benefits (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 28, 2024
Mar. 30, 2023
Other Postretirement Benefits Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Service Cost $ 0.2 $ 0.2
Defined Benefit Plan, Interest Cost 0.4 0.4
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) 0.3 (0.2)
Defined Benefit Plan, Amortization of Gain (Loss) (0.4) (0.5)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) 0.5 (0.1)
Pension Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Service Cost 0.6 0.8
Defined Benefit Plan, Interest Cost 17.7 20.1
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) 0.0 0.1
Defined Benefit Plan, Expected Return (Loss) on Plan Assets (21.6) (21.8)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement 0.0 64.6
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) $ (3.3) $ 63.8