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Other Income (Expense) - Net - Computation of Other Income (Expense) - Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Other Income and Expenses [Abstract]
Interest income	$ 9.9	$ 1.6	$ 17.9	$ 2.1
Net foreign exchange loss	(2.4)	(1.6)	(4.9)	(2.6)
Net periodic pension and postretirement benefits – non-service	9.2	9.3	18.8	18.1
Other	0.1	0.0	0.2	0.0
Total other income (expense) – net	$ 16.8	$ 9.3	$ 32.0	$ 17.6

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- Definition

Other nonoperating income expense other.

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- Definition

Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of income (expense) related to nonoperating activities, classified as other.

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