Goodwill and Intangibles Finite-Lived Intangibles (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 1,026.3	$ 974.0	$ 1,030.7	$ 967.6
Goodwill, Other Increase (Decrease)	(4.4)	6.4
Gross Amount	1,481.4	1,442.4	1,477.5
Accumulated Amortization	(517.1)	(450.0)	(499.5)
Amortization Expense for Intangibles	17.9	16.6
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	310.3	305.5	311.5
Accumulated Amortization	0.0	0.0	0.0
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	905.9	897.7	907.3
Accumulated Amortization	(439.6)	(397.5)	(428.6)
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	98.0	79.2	91.2
Accumulated Amortization	(50.4)	(36.5)	(46.6)
Developed Technology Rights
Finite-Lived Intangible Assets [Line Items]
Gross Amount	167.2	160.0	167.5
Accumulated Amortization	(27.1)	(16.0)	(24.3)
Propulsion [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	53.0	14.0	54.1	14.0
Goodwill, Other Increase (Decrease)	(1.1)	0.0
Boat [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	143.8	129.7	$ 143.9	$ 125.0
Goodwill, Other Increase (Decrease)	$ (0.1)	$ 4.7