Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

Intangible Assets, Gross (Excluding Goodwill) [Abstract]

Schedule of Other Intangible Assets

Other intangible assets are summarized as follows:

	December 31,
(in millions)	2023			2022
Finite-lived intangible assets:
Customer relationships	$	191.4		$	191.0
Noncompete agreements		28.2			33.8
Trademarks		70.6			70.6
Internal-use software licenses		16.5			24.0
Patents		2.8			2.8
		309.5			322.2
Accumulated amortization		(172.6	)		(145.3	)
		136.9			176.9
Indefinite-lived intangible assets:
Licenses		16.9			16.9
	$	153.8		$	193.8

Estimated Amortization Expense for Finite-Lived Intangible Assets

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

Year	(in millions)
2024	$	38.2
2025	$	27.3
2026	$	26.1
2027	$	11.6
2028	$	7.2