Goodwill and Other Intangible Assets, net (Tables)

3 Months Ended

Mar. 31, 2018

The changes in the carrying amount of goodwill, net for the three months ended March 31, follows:



(in millions)	CCM		CIT		CFT		CBF ⁽¹⁾		Total
Balance as of December 31, 2017	$	544.3	$	640.3	$	171.0	$	96.5	$	1,452.1
Goodwill acquired during year ⁽²⁾	—		—		—		—		—
Measurement period adjustments	1.7		—		—		—		1.7
Currency translation and other	1.3		0.5		1.2		—		3.0
Balance as of March 31, 2018	$	547.3	$	640.8	$	172.2	$	96.5	$	1,456.8


⁽¹⁾	CBF goodwill balance as of December 31, 2017, 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.

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



	March 31, 2018							December 31, 2017
(in millions)	Acquired Cost		Accumulated Amortization			Net Book Value		Acquired Cost		Accumulated Amortization			Net Book Value
Assets subject to amortization:
Customer relationships	$	847.7	$	(245.6	)	$	602.1	$	844.8	$	(230.8	)	$	614.0
Technology and intellectual property	236.0		(101.7		)	134.3		272.0		(95.6		)	176.4
Trade names and other	78.2		(14.7		)	63.5		40.1		(9.6		)	30.5
Assets not subject to amortization:
Trade names	244.9		—			244.9		244.1		—			244.1
Other intangible assets, net	$	1,406.8	$	(362.0	)	$	1,044.8	$	1,401.0	$	(336.0	)	$	1,065.0

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



(in millions)	March 31, 2018		December 31, 2017
Carlisle Construction Materials	$	316.4	$	325.1
Carlisle Interconnect Technologies	336.2		344.5
Carlisle Fluid Technologies	300.9		302.5
Carlisle Brake & Friction	91.3		92.9
Total	$	1,044.8	$	1,065.0