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Litigation and Contingencies Environmental Remediation (Details) - USD ($)
$ in Millions
3 Months Ended
Apr. 03, 2021
Mar. 28, 2020
Environmental Exit Cost [Line Items]    
Site Contingency, Recovery from Third Party of Environmental Remediation Cost   $ 55.0
Accrual for Environmental Loss Contingencies [Roll Forward]    
Remediation liability at beginning of the year $ 101.8 124.4
Changes in estimate 0.0 0.0
Amounts paid (1.0) (8.0)
Remediation liability at the end of the quarter 100.8 $ 116.4
Environmental remediation accrual, current 24.7  
Environmental remediation accrual, noncurrent $ 76.1