Other Intangible Assets

12 Months Ended

Dec. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Other Intangible Assets

NOTE 9. Other Intangible Assets:

Other intangible assets are summarized as follows:

	December 31,
(in millions)	2024			2023
Finite-lived intangible assets:
Customer relationships	$	160.8		$	191.4
Noncompete agreements		10.5			28.2
Trademarks		70.7			70.6
Internal-use software licenses		21.7			16.5
Patents		2.8			2.8
		266.5			309.5
Accumulated amortization		(158.2	)		(172.6	)
		108.3			136.9
Indefinite-lived intangible assets:
Licenses		16.9			16.9
	$	125.2		$	153.8

Amortization expense for finite-lived intangible assets was $44.4 million, $51.5 million and $53.2 million for the years ended December 31, 2024, 2023 and 2022, respectively.

Estimated amortization expense for finite-lived intangible assets for the next five years is as follows:

Year	(in millions)
2025	$	32.0
2026	$	27.5
2027	$	12.9
2028	$	8.4
2029	$	5.9