Goodwill and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the Company's goodwill by segment during the periods ended December 31, 2024 and 2023 are summarized below:

(in millions)	Propulsion		Engine P&A		Navico Group		Boat		Total
December 31, 2022	$	14.0	$	232.8	$	595.8	$	125.0	$	967.6
Acquisitions	38.5		—		—		14.0		52.5
Adjustments	1.6		0.2		3.9		4.9		10.6
December 31, 2023	$	54.1	$	233.0	$	599.7	$	143.9	$	1,030.7
Acquisitions	—		—		—		26.7		26.7
Impairments	—		—		(80.0)		—		(80.0)
Adjustments	(3.3)		(0.4)		(6.3)		(1.3)		(11.3)
December 31, 2024	$	50.8	$	232.6	$	513.4	$	169.3	$	966.1

Schedule of Other Intangible Assets

The Company's intangible assets, included within Other intangibles, net on the Consolidated Balance Sheets as of December 31, 2024 and 2023, are summarized by intangible asset type below:

	2024				2023
(in millions)	Gross Amount		Accumulated Amortization		Gross Amount		Accumulated Amortization
Intangible assets:
Customer relationships (A)	$	909.4	$	(473.5)	$	907.3	$	(428.6)
Trade names	304.2		—		311.5		—
Developed technology (A)	166.8		(35.6)		167.5		(24.3)
Other (A)	113.7		(66.7)		91.2		(46.6)
Total	$	1,494.1	$	(575.8)	$	1,477.5	$	(499.5)

(A) The weighted average remaining amortization period for Customer relationships, Developed technology and Other intangibles assets was 9.6, 11.6, and 2.9, respectively, as of December 31, 2024.

Other intangible assets primarily consist of software, patents and franchise agreements. Gross and related accumulated amortization amounts include adjustments related to the impact of foreign currency translation. See Note 4 – Acquisitions for further details on intangibles acquired during 2024 and 2023. Aggregate amortization expense for intangibles was $74.8 million, $68.6 million and $63.3 million for the years ended December 31, 2024, 2023 and 2022, respectively. The following table is the estimated future amortization expense for intangible assets: