Goodwill and Purchased Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Goodwill

The following table presents changes in goodwill by segment during the six months ended June 30, 2025 (in millions):

	Access		Vocational		Corporate and Other			Total
Net goodwill at December 31, 2024	$	1,011.0	$	393.4	$	5.7		$	1,410.1
Impairment		—		—		(5.7	)		(5.7	)
Foreign currency translation		44.4		0.4		—			44.8
Net goodwill at June 30, 2025	$	1,055.4	$	393.8	$	—		$	1,449.2

Schedule of Company's Goodwill by Segment

The following table presents details of the Company’s goodwill by segment (in millions):

	June 30, 2025							December 31, 2024
	Gross		Accumulated Impairment			Net		Gross		Accumulated Impairment			Net
Access	$	1,987.5	$	(932.1	)	$	1,055.4	$	1,943.1	$	(932.1	)	$	1,011.0
Vocational		563.2		(169.4	)		393.8		562.8		(169.4	)		393.4
Corporate and other		44.4		(44.4	)		—		44.4		(38.7	)		5.7
	$	2,595.1	$	(1,145.9	)	$	1,449.2	$	2,550.3	$	(1,140.2	)	$	1,410.1

Schedule of Purchased Intangible Assets

Details of the Company’s purchased intangible assets are as follows (in millions):

	June 30, 2025							December 31, 2024
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Amortizable intangible assets:
Customer relationships	$	835.9	$	(622.2	)	$	213.7	$	829.8	$	(604.6	)	$	225.2
Trade names		120.4		(20.5	)		99.9		120.2		(19.3	)		100.9
Technology-related		164.0		(114.5	)		49.5		158.9		(107.4	)		51.5
Distribution network		55.3		(40.4	)		14.9		55.3		(39.8	)		15.5
Other		2.3		(1.2	)		1.1		33.1		(27.4	)		5.7
		1,177.9		(798.8	)		379.1		1,197.3		(798.5	)		398.8
Non-amortizable trade names		378.8		—			378.8		378.8		—			378.8
	$	1,556.7	$	(798.8	)	$	757.9	$	1,576.1	$	(798.5	)	$	777.6

Schedule of Estimated Future Amortization Expense for Purchased Intangible Assets

Estimated future amortization expense for purchased intangible assets is as follows (in millions):

Years:
2025 (remaining six months)	$	28.5
2026		55.8
2027		55.8
2028		51.5
2029		47.2
2030		45.7