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Litigation and Contingencies Environmental Remediation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Environmental Exit Cost [Line Items]
Environmental Costs Recognized, Recovery Credited to Expense	$ 55.0
Document Period End Date	Mar. 28, 2020
Accrual for Environmental Loss Contingencies [Roll Forward]
Remediation liability at beginning of the year	$ 124.4	$ 22.6
Changes in estimate	0.0	0.0
Amounts paid	(8.0)	(2.3)
Remediation liability at the end of the quarter	116.4	$ 20.3
Environmental remediation liability, current	39.0
Environmental remediation liability, Noncurrent	$ 77.4

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The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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

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Amount of expense (reversal of expense) which increases (decreases) the accrual for environmental loss contingencies from revisions in estimates to existing obligations. Excludes changes related to business acquisitions, divestitures, or currency movement.

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Amount of cash outflow to settle environmental loss contingencies.

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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

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