Segment and Related Information, Reconciliation of Income from Operations (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Income from Operations before Tax and Equity in Earnings [Abstract]
Litigation expenses	$ (1.5)	$ (5.6)	$ (10.4)	$ (5.6)
Consolidated income from operations	48.5	53.5	133.4	161.0
Non-operating deductions, net	(12.7)	(12.6)	(34.0)	(38.7)
Income from operations before tax and equity in earnings	35.8	40.9	99.4	122.3
Reportable Segments [Member]
Income from Operations before Tax and Equity in Earnings [Abstract]
Consolidated income from operations	52.1	60.8	148.2	172.3
Unallocated and Other Corporate Expenses [Member]
Income from Operations before Tax and Equity in Earnings [Abstract]
Consolidated income from operations	$ (2.1)	$ (1.7)	$ (4.4)	$ (5.7)

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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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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