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Postretirement Health Care Plans - Net Periodic Postretirement Health Care Cost (Details) - Postretirement Health Coverage - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Postretirement Health Care Plans [Line Items]
Interest cost	$ 0.3	$ 0.3	$ 0.6	$ 0.6
Expected return on plan assets	(0.1)	(0.2)	(0.3)	(0.4)
Net periodic postretirement health care cost	$ 0.2	$ 0.1	$ 0.3	$ 0.2

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- Definition

Postretirement Health Care Plans [Line Items]

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- Definition

Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

+ References

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Amount of cost recognized for passage of time related to defined benefit plan.

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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