Goodwill and Other Intangible Assets, net

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets, net

—Goodwill and Other Intangible Assets, net 

Goodwill

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

(in millions)	CCM		CIT		CFT		CBF (1)		Total
Net balance as of December 31, 2017	$	544.3	$	640.3	$	171.0	$	96.5	$	1,452.1
Goodwill acquired during year (2), (3)	2.8		2.7		—		—		5.5
Measurement period adjustments	(12.0)		—		—		—		(12.0)
Currency translation and other	(2.3)		0.1		(1.5)		(0.1)		(3.8)
Net balance as of December 31, 2018	$	532.8	$	643.1	$	169.5	$	96.4	$	1,441.8
Goodwill acquired during year (2), (3)	64.3		194.1		16.1		—		274.5
Measurement period adjustments	0.5		(1.9)		1.6		—		0.2
Currency translation and other	(0.5)		(0.1)		0.3		0.1		(0.2)
Net balance as of December 31, 2019	$	597.1	$	835.2	$	187.5	$	96.5	$	1,716.3

⁽¹⁾CBF goodwill is presented net of accumulated impairment losses of $130.0 million recorded in prior periods. No other segments have incurred impairment losses.

⁽²⁾See Note 3 for further information on goodwill resulting from recent acquisitions.

⁽³⁾In addition to the acquisitions disclosed in Note 3, the Company acquired five businesses for an aggregate purchase price of $42.4 million during 2019. During 2018, the Company acquired three businesses for an aggregate purchase price of $20.1 million.

Other Intangible Assets, net

	December 31, 2019						December 31, 2018
(in millions)	Acquired Cost		Accumulated Amortization		Net Book Value		Acquired Cost		Accumulated Amortization		Net Book Value
Assets subject to amortization:
Customer relationships	$	1,054.4	$	(354.9)	$	699.5	$	843.8	$	(287.7)	$	556.1
Technology and intellectual property	304.1		(167.0)		137.1		268.8		(129.3)		139.5
Trade names and other	100.0		(38.7)		61.3		45.4		(16.4)		29.0
Assets not subject to amortization:
Trade names	242.7		—		242.7		243.1		—		243.1
Other intangible assets, net	$	1,701.2	$	(560.6)	$	1,140.6	$	1,401.1	$	(433.4)	$	967.7

The remaining weighted-average amortization period of intangible assets subject to amortization as of December 31, 2019, follows (in years):

Customer relationships	10.0
Technology and intellectual property	6.1
Trade names and other	11.3
Total assets subject to amortization	9.5

Intangible assets subject to amortization as of December 31, 2019, will be amortized as follows:

(in millions)	2020		2021		2022		2023		2024		Thereafter
Estimated future amortization expense	$	122.5	$	115.0	$	98.8	$	93.2	$	84.1	$	384.3

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

(in millions)	December 31, 2019		December 31, 2018
Carlisle Construction Materials	$	345.3	$	285.3
Carlisle Interconnect Technologies	441.0		313.4
Carlisle Fluid Technologies	272.8		280.9
Carlisle Brake & Friction	80.2		86.6
Corporate	1.3		1.5
Total	$	1,140.6	$	967.7