Goodwill and Intangibles Finite-Lived Intangibles (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 1,059.7	$ 1,007.6	$ 1,059.7	$ 1,007.6	$ 1,030.7	$ 967.6
Acquisitions			28.2	37.1
Goodwill, Other Increase (Decrease)			0.8	2.9
Gross Amount	1,494.2	1,480.5	1,494.2	1,480.5	1,477.5
Accumulated Amortization	(554.3)	(480.7)	(554.3)	(480.7)	(499.5)
Amortization Expense for Intangibles	18.2	17.0	54.0
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	311.8	322.2	311.8	322.2	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	913.1	905.1	913.1	905.1	907.3
Accumulated Amortization	(463.2)	(416.7)	(463.2)	(416.7)	(428.6)
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	101.7	86.8	101.7	86.8	91.2
Accumulated Amortization	(58.3)	(42.7)	(58.3)	(42.7)	(46.6)
Developed Technology Rights
Finite-Lived Intangible Assets [Line Items]
Gross Amount	167.6	166.4	167.6	166.4	167.5
Accumulated Amortization	(32.8)	(21.3)	(32.8)	(21.3)	(24.3)
Propulsion [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	54.0	50.6	54.0	50.6	54.1	14.0
Acquisitions			0.0	37.1
Goodwill, Other Increase (Decrease)			(0.1)	(0.5)
Boat [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 171.1	$ 129.8	171.1	129.8	$ 143.9	$ 125.0
Acquisitions			28.2	0.0
Goodwill, Other Increase (Decrease)			$ (1.0)	$ 4.8