Goodwill and Intangibles Finite-Lived Intangibles (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 1,024.1	$ 974.6	$ 1,024.1	$ 974.6	$ 1,030.7	$ 967.6
Goodwill, Other Increase (Decrease)			(6.6)	7.0
Gross Amount	1,483.0	1,445.2	1,483.0	1,445.2	1,477.5
Accumulated Amortization	(534.9)	(465.8)	(534.9)	(465.8)	(499.5)
Amortization Expense for Intangibles	17.9	17.2
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	310.8	305.5	310.8	305.5	311.5
Accumulated Amortization	0.0	0.0	0.0	0.0	0.0
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	906.0	897.6	906.0	897.6	907.3
Accumulated Amortization	(451.2)	(408.7)	(451.2)	(408.7)	(428.6)
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	98.9	82.1	98.9	82.1	91.2
Accumulated Amortization	(53.8)	(38.4)	(53.8)	(38.4)	(46.6)
Developed Technology Rights
Finite-Lived Intangible Assets [Line Items]
Gross Amount	167.3	160.0	167.3	160.0	167.5
Accumulated Amortization	(29.9)	(18.7)	(29.9)	(18.7)	(24.3)
Propulsion [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	52.0	13.9	52.0	13.9	54.1	14.0
Goodwill, Other Increase (Decrease)			(2.1)	(0.1)
Boat [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 142.6	$ 129.9	142.6	129.9	$ 143.9	$ 125.0
Goodwill, Other Increase (Decrease)			$ (1.3)	$ 4.9