Goodwill

12 Months Ended

Dec. 31, 2019

Goodwill.

Goodwill and Intangible Assets

NOTE 9—GOODWILL AND INTANGIBLE ASSETS

Goodwill

The following table shows the annual changes in the carrying amount of goodwill, by segment, from December 31, 2017 through December 31, 2019:

	Latex		Synthetic		Performance						Americas
	Binders		Rubber		Plastics		Polystyrene		Feedstocks		Styrenics		Total
Balance at December 31, 2017	$	16.5	$	11.7	$	39.6	$	4.7	$	—	$	—	$	72.5
Foreign currency impact		(0.6)		(0.4)		(2.3)		(0.2)		—		—		(3.5)
Balance at December 31, 2018	$	15.9	$	11.3	$	37.3	$	4.5	$	—	$	—	$	69.0
Foreign currency impact		(0.3)		(0.3)		(0.6)		(0.1)		—		—		(1.3)
Balance at December 31, 2019	$	15.6	$	11.0	$	36.7	$	4.4	$	—	$	—	$	67.7

Goodwill impairment testing is performed annually as of October 1. In 2019, the Company performed its annual impairment test for goodwill and determined that the estimated fair value of each reporting unit was in excess of the carrying value indicating that none of the Company’s goodwill was impaired. The Company concluded there were no goodwill impairments or triggering events for the years ended December 31, 2019, 2018, and 2017.

Other Intangible Assets

The following table provides information regarding the Company’s other intangible assets as of December 31, 2019 and 2018:

		December 31, 2019						December 31, 2018
	Estimated Useful	Gross Carrying		Accumulated				Gross Carrying		Accumulated
	Life (Years)	Amount		Amortization		Net		Amount		Amortization		Net
Developed technology	9 - 15	$	188.6	$	(117.2)	$	71.4	$	192.3	$	(105.6)	$	86.7
Customer Relationships	19		13.8		(1.8)		12.0		14.1		(1.1)		13.0
Manufacturing Capacity Rights	6		22.1		(20.0)		2.1		21.8		(16.8)		5.0
Software	5 - 10		119.2		(50.0)		69.2		101.9		(35.3)		66.6
Software in development	N/A		34.7		—		34.7		17.2		—		17.2
Other	3		4.3		(2.2)		2.1		3.9		(1.3)		2.6
Total		$	382.7	$	(191.2)	$	191.5	$	351.2	$	(160.1)	$	191.1

Amortization expense related to finite-lived intangible assets totaled $33.0 million, $29.7 million, and $27.0 million, for the years ended December 31, 2019, 2018, and 2017, respectively.

The following table details the Company’s estimated amortization expense for the next five years, excluding any amortization expense related to software currently in development:

Estimated Amortization Expense for the Next Five Years
2020		2021		2022		2023		2024
$	30.6	$	26.6	$	25.7	$	25.3	$	24.9