Litigation and Contingencies Environmental Remediation (Details) - USD ($) $ in Millions	9 Months Ended
Oct. 02, 2021	Sep. 26, 2020
Environmental Exit Cost [Line Items]
Site Contingency, Recovery from Third Party of Environmental Remediation Cost		$ 55.0
Loss Contingency Accrual	$ 10.6
Accrual for Environmental Loss Contingencies [Roll Forward]
Remediation liability at beginning of the year	101.8	124.4
Amounts paid	(21.1)	(27.1)
Remediation liability at the end of the quarter	80.7	$ 97.3
Environmental remediation accrual, current	28.5
Environmental remediation accrual, noncurrent	$ 52.2
Site Contingency, Time Frame of Disbursements	25

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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