Other Intangible Assets

9 Months Ended

Sep. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Other Intangible Assets

Other Intangible Assets

A summary of the Company's other intangible assets follows:

	September 30, 2025						December 31, 2024
(in millions)	Acquired Cost		Accumulated Amortization		Net Book Value		Acquired Cost		Accumulated Amortization		Net Book Value
Customer relationships	$	1,477.9	$	(458.7)	$	1,019.2	$	1,456.0	$	(380.5)	$	1,075.5
Indefinite-lived trade names	254.1		—		254.1		252.0		—		252.0
Technology	203.3		(113.9)		89.4		185.6		(103.4)		82.2
Definite-lived trade names	117.5		(41.6)		75.9		117.0		(37.0)		80.0
Other	43.2		(29.1)		14.1		37.8		(22.6)		15.2
Other intangible assets	$	2,096.0	$	(643.3)	$	1,452.7	$	2,048.4	$	(543.5)	$	1,504.9