Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill as of September 30, 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	16.6			25.1			—		—		41.7
Currency translation	(0.7		)	(1.4		)	—		—		(2.1		)
Balance September 30, 2018	$	189.1		$	448.2		$	11.2	$	1.6	$	650.1

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



	As of September 30, 2018
(In millions)	Acquisition Cost		Accumulated Amortization			Currency Translation			Net
Customer relationships	$	278.4	$	(71.6	)	$	(0.4	)	$	206.4
Patents, technology and other	188.1		(63.6		)	(0.8		)	123.7
Indefinite-lived trade names	100.3		—			—			100.3
Total	$	566.8	$	(135.2	)	$	(1.2	)	$	430.4



	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 September 30, 2018
(In millions)	Acquisition Cost		Accumulated Amortization			Currency Translation			Net
Customer relationships	$	278.4	$	(71.6	)	$	(0.4	)	$	206.4
Patents, technology and other	188.1		(63.6		)	(0.8		)	123.7
Indefinite-lived trade names	100.3		—			—			100.3
Total	$	566.8	$	(135.2	)	$	(1.2	)	$	430.4



	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