Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill as of March 31, 2018 and December 31, 2017, and changes in the carrying amount of goodwill by segment were as follows:



(In millions)	Specialty Engineered Materials		Color, Additives and Inks		Performance Products and Solutions		PolyOne Distribution		Total
Balance December 31, 2017	$	173.2	$	424.5	$	11.2	$	1.6	$	610.5
Acquisition of businesses	—		23.8		—		—		23.8
Currency translation and other adjustments	—		1.3		—		—		1.3
Balance March 31, 2018	$	173.2	$	449.6	$	11.2	$	1.6	$	635.6

Indefinite and finite-lived intangible assets consisted of the following:



	As of March 31, 2018
(In millions)	Acquisition Cost		Accumulated Amortization			Currency Translation		Net
Customer relationships	$	269.9	$	(64.8	)	$	0.5	$	205.6
Patents, technology and other	177.5		(57.4		)	0.6		120.7
Indefinite-lived trade names	100.3		—			—		100.3
Total	$	547.7	$	(122.2	)	$	1.1	$	426.6



	As of December 31, 2017
(In millions)	Acquisition Cost		Accumulated Amortization			Currency Translation		Net
Customer relationships	$	257.3	$	(61.5	)	$	0.1	$	195.9
Patents, technology and other	158.2		(54.4		)	—		103.8
Indefinite-lived trade names	100.3		—			—		100.3
Total	$	515.8	$	(115.9	)	$	0.1	$	400.0

Indefinite and finite-lived intangible assets consisted of the following:



	As of March 31, 2018
(In millions)	Acquisition Cost		Accumulated Amortization			Currency Translation		Net
Customer relationships	$	269.9	$	(64.8	)	$	0.5	$	205.6
Patents, technology and other	177.5		(57.4		)	0.6		120.7
Indefinite-lived trade names	100.3		—			—		100.3
Total	$	547.7	$	(122.2	)	$	1.1	$	426.6



	As of December 31, 2017
(In millions)	Acquisition Cost		Accumulated Amortization			Currency Translation		Net
Customer relationships	$	257.3	$	(61.5	)	$	0.1	$	195.9
Patents, technology and other	158.2		(54.4		)	—		103.8
Indefinite-lived trade names	100.3		—			—		100.3
Total	$	515.8	$	(115.9	)	$	0.1	$	400.0