Goodwill (Tables)

6 Months Ended

Jun. 30, 2020

Goodwill.

Changes in Carrying Amount of Goodwill, by Segment

	Latex		Synthetic		Performance						Americas
	Binders		Rubber		Plastics		Polystyrene		Feedstocks		Styrenics		Total
Balance at December 31, 2019	$	15.6	$	11.0	$	36.7	$	4.4	$	—	$	—	$	67.7
Foreign currency impact *		—		—		—		—		—		—		—
Balance at June 30, 2020	$	15.6	$	11.0	$	36.7	$	4.4	$	—	$	—	$	67.7

* For the six months ended June 30, 2020, foreign currency impact on goodwill balances totaled less than $0.1 million.