Contingencies (Details) $ in Millions	3 Months Ended
	Mar. 30, 2024 USD ($)
Contingencies
Recovery of direct costs	$ 47.3
Huntsville Site
Contingencies
Environmental remediation expense	8.8
Project expenditures, low estimate	5.6
Project expenditures, high estimate	17.3
Norco Site | Remediation Project Management Regulatory Oversight and Investigative and Feasibility Studies
Contingencies
Environmental remediation expense	83.8
Project expenditures, low estimate	21.5
Project expenditures, high estimate	$ 37.7