Litigation and Contingencies Environmental Remediation (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Mar. 28, 2020	Jul. 03, 2021	Jun. 27, 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	$ 124.4	$ 101.8	$ 124.4
Changes in estimate		0.0	0.0
Amounts paid		(8.7)	(17.7)
Remediation liability at the end of the quarter		93.1	$ 106.7
Environmental remediation accrual, current		24.8
Environmental remediation accrual, noncurrent		$ 68.3
Site Contingency, Time Frame of Disbursements		25

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

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Amount of cash outflow to settle environmental loss contingencies.

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