Goodwill and Other Intangible Assets, net (Tables)

12 Months Ended

Dec. 31, 2023

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, 2021	$	1,172.6	$	—	$	1,172.6
Goodwill acquired during year (1)	12.5		—		12.5
Measurement period adjustments	1.3		—		1.3
Change in reportable segments(2)	(254.6)		254.6		—
Currency translation and other	1.0		(9.8)		(8.8)
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

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

(2)In 2022, the CCM reporting unit, which aligned with the CCM reportable segment, was divided into four reporting units. The goodwill previously assigned to the CCM reporting unit was allocated to the new reporting units based on their relative fair values. CCM Commercial Roofing, CCM Architectural Metals and CCM Europe reporting units are within the CCM reportable segment. The CWT reporting unit aligns with the CWT reportable segment.

Summary of Other Intangible Assets, Net

Other Intangible Assets, net

	December 31, 2023						December 31, 2022
(in millions)	Acquired Cost		Accumulated Amortization		Net Book Value		Acquired Cost		Accumulated Amortization		Net Book Value
Assets subject to amortization:
Customer relationships	$	1,209.8	$	(298.9)	$	910.9	$	1,202.6	$	(222.0)	$	980.6
Technology and intellectual property	146.7		(97.6)		49.1		145.5		(94.8)		50.7
Trade names and other	88.2		(49.5)		38.7		85.1		(42.0)		43.1
Assets not subject to amortization:
Trade names	254.2		—		254.2		253.1		—		253.1
Other intangible assets, net	$	1,698.9	$	(446.0)	$	1,252.9	$	1,686.3	$	(358.8)	$	1,327.5

Schedule of Intangible Assets Subject to Amortization

The remaining weighted-average amortization period of intangible assets subject to amortization as of December 31, 2023, follows (in years):

Customer relationships	14.3
Technology and intellectual property	8.4
Trade names and other	7.7
Total assets subject to amortization	13.8

Schedule of Estimated Future Amortization Expense

Intangible assets subject to amortization as of December 31, 2023, will be amortized as follows:

(in millions)	2024		2025		2026		2027		2028		Thereafter
Estimated future amortization expense	$	91.4	$	90.7	$	81.9	$	76.2	$	74.9	$	583.6

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, 2023		December 31, 2022
Carlisle Construction Materials	$	121.1	$	129.1
Carlisle Weatherproofing Technologies	1,127.6		1,192.2
Corporate	4.2		6.2
Total	$	1,252.9	$	1,327.5