Goodwill and Other Intangible Assets, net (Tables)

9 Months Ended

Sep. 30, 2019

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 segment follows:


(in millions)	CCM		CIT		CFT		CBF⁽¹⁾		Total
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		15.8		16.1		—		96.2

Measurement period adjustments	0.3		(2.0)		1.7		—		—
Currency translation and other	(1.7)		(0.2)		(1.5)		—		(3.4)
Balance as of September 30, 2019	$	595.7	$	656.7	$	185.8	$	96.4	$	1,534.6

⁽¹⁾CBF goodwill, net is presented net of accumulated impairment losses of $130.0 million recorded in 2016. No other segments have incurred impairment losses.

⁽²⁾Refer to Note 4 for further information on goodwill resulting from recent acquisitions.

⁽³⁾In addition to the acquisitions disclosed in Note 4, the Company acquired four businesses for an aggregate purchase price of $42.1 million during the first nine months of 2019.

Summary of other intangible assets, net

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


	September 30, 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	$	941.1	$	(337.5)	$	603.6	$	843.8	$	(287.7)	$	556.1
Technology and intellectual property	283.9		(153.7)		130.2		268.8		(129.3)		139.5
Trade names and other	91.3		(35.5)		55.8		45.4		(16.4)		29.0
Assets not subject to amortization:
Trade names	242.0		—		242.0		243.1		—		243.1
Other intangible assets, net	$	1,558.3	$	(526.7)	$	1,031.6	$	1,401.1	$	(433.4)	$	967.7

Summary of the net book values of other intangible assets, net by reportable segment

The net book values of other intangible assets, net by reportable segment follows:


(in millions)	September 30, 2019		December 31, 2018
Carlisle Construction Materials	$	357.2	$	285.3
Carlisle Interconnect Technologies	316.1		313.4
Carlisle Fluid Technologies	275.1		280.9
Carlisle Brake & Friction	81.8		86.6
Corporate	1.4		1.5
Total	$	1,031.6	$	967.7