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Segment Reporting - Reconciliation of Segment Earnings to Consolidated Income Before Provision for Income Taxes and Equity (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Oct. 02, 2021	Oct. 03, 2020
Segment Reporting [Abstract]
Segment earnings	$ 47.6	$ 278.8	$ 560.5	$ 157.9
Interest expense	22.6	26.5	67.2	78.1
Other (income) expense, net	11.1	17.1	(28.7)	54.4
Consolidated income before provision for income taxes and equity in net (income) loss of affiliates	$ 13.9	$ 235.2	$ 522.0	$ 25.4

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The sum of all other income and expenses (both operating and nonoperating) recognized by the entity in the period not otherwise specified in the income statement.

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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Amount of the cost of borrowed funds accounted for as interest expense.

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