Goodwill and Other Intangible Assets, net (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill, net for the years ended December 31 follows:

(in millions)	CCM			CIT		CFT				CBF			CFS		Total
Net balance as of December 31, 2015	$	118.7		$	555.4	$	173.4			$	226.6		$	60.3	$	1,134.4
Goodwill acquired during year (1)	—			83.7		2.9				—			—		86.6
Impairment charges	—			—		—				(130.0		)	—		(130.0		)
Measurement period adjustments	—			—		(0.3		)		—			—		(0.3		)
Currency translation and other	(1.2		)	—		(8.1		)	(2)	(0.2		)	—		(9.5		)
Net balance as of December 31, 2016	$	117.5		$	639.1	$	167.9			$	96.4		$	60.3	$	1,081.2
Goodwill acquired during year (1)	420.2			—		—				—			86.9		507.1
Impairment charges	—			—		—				—			—		—
Measurement period adjustments	—			0.3		—				—			2.5		2.8
Currency translation and other	6.6			0.9		3.1				0.1			—		10.7
Net balance as of December 31, 2017	$	544.3		$	640.3	$	171.0			$	96.5		$	149.7	$	1,601.8

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

⁽²⁾ 

Includes a $4.9 million correction of certain deferred tax liabilities acquired in the Finishing Brands acquisition.

Summary of other intangible assets, net

The Company’s other intangible assets, net as of December 31, 2017, follows:

(in millions)	Acquired Cost		Accumulated Amortization			Net Book Value
Assets subject to amortization:
Technology and intellectual property	$	309.4	$	(100.7	)	$	208.7
Customer relationships	979.6		(260.6		)	719.0
Trade names and other	44.6		(13.7		)	30.9
Assets not subject to amortization:
Trade names	275.8		—			275.8
Other intangible assets, net	$	1,609.4	$	(375.0	)	$	1,234.4

The Company’s other intangible assets, net as of December 31, 2016, follows:

(in millions)	Acquired Cost		Accumulated Amortization			Net Book Value
Assets subject to amortization:
Intellectual property	$	200.7	$	(72.4	)	$	128.3
Customer relationships	704.3		(201.6		)	502.7
Other	15.4		(11.7		)	3.7
Assets not subject to amortization:
Trade names	237.5		—			237.5
Other intangible assets, net	$	1,157.9	$	(285.7	)	$	872.2

Schedule of intangible assets subject to amortization

The remaining weighted-average amortization period of intangible assets subject to amortization as of December 31, 2017, follows (in years):

Intellectual property	7.3
Customer relationships	10.8
Trade names and other	9.1
Total assets subject to amortization	10.0

Schedule of estimated future amortization expense

Intangible assets subject to amortization as of December 31, 2017, will be amortized as follows:

(in millions)	2018		2019		2020		2021		2022		Thereafter
Estimated future amortization expense	$	112.2	$	111.6	$	108.6	$	103.4	$	94.5	$	428.3

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 as of December 31 follows:

(in millions)	2017		2016
Carlisle Construction Materials	$	325.1	$	55.2
Carlisle Interconnect Technologies	344.5		379.1
Carlisle Fluid Technologies	302.5		313.7
Carlisle Brake & Friction	92.9		99.3
Carlisle FoodService Products	169.4		24.9
Total	$	1,234.4	$	872.2