Goodwill and Other Intangible Assets, net (Tables)

12 Months Ended

Dec. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Changes in the Carrying Amount of Goodwill

The changes in the carrying amount of goodwill, net by reportable segment follows:

(in millions)	CCM		CWT		Total
Balance as of December 31, 2022	$	932.8	$	244.8	$	1,177.6
Goodwill acquired during year (1)	—		20.6		20.6
Currency translation and other	1.9		2.4		4.3
Balance as of December 31, 2023	$	934.7	$	267.8	$	1,202.5
Goodwill acquired during year (1)	141.0		145.0		286.0
Currency translation and other	(2.6)		(7.9)		(10.5)
Balance as of December 31, 2024	$	1,073.1	$	404.9	$	1,478.0

(1)Refer to Note 3 for further information on goodwill resulting from recent acquisitions.

Summary of Other Intangible Assets, Net

Other Intangible Assets, net

	December 31, 2024						December 31, 2023
(in millions)	Acquired Cost		Accumulated Amortization		Net Book Value		Acquired Cost		Accumulated Amortization		Net Book Value
Assets subject to amortization:
Customer relationships	$	1,456.0	$	(380.5)	$	1,075.5	$	1,209.8	$	(298.9)	$	910.9
Technology and intellectual property	185.6		(103.4)		82.2		146.7		(97.6)		49.1
Trade names and other	154.8		(59.6)		95.2		88.2		(49.5)		38.7
Assets not subject to amortization:
Trade names	252.0		—		252.0		254.2		—		254.2
Other intangible assets, net	$	2,048.4	$	(543.5)	$	1,504.9	$	1,698.9	$	(446.0)	$	1,252.9

Summary of Intangible Assets Subject to Amortization

The remaining weighted-average amortization period of intangible assets subject to amortization as of December 31, 2024, follows (in years):

Customer relationships	13.1
Technology and intellectual property	8.7
Trade names and other	13.1
Total assets subject to amortization	12.8

Summary of Estimated Future Amortization Expense

Intangible assets subject to amortization as of December 31, 2024, will be amortized as follows:

(in millions)	2025		2026		2027		2028		2029		Thereafter
Estimated future amortization expense	$	119.4	$	117.4	$	104.1	$	102.9	$	96.1	$	713.0

Summary of the Net Book Values of Other Intangible Assets, Net by Reportable Segment

The net carrying values of the Company’s other intangible assets, net by reportable segment follows:

(in millions)	December 31, 2024		December 31, 2023
Carlisle Construction Materials	$	343.0	$	121.1
Carlisle Weatherproofing Technologies	1,159.7		1,127.6
Corporate	2.2		4.2
Total	$	1,504.9	$	1,252.9