Goodwill (Tables)

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible assets

Changes in Carrying Amount of Goodwill, by Segment

	Engineered		Latex		Plastics						Americas
	Materials		Binders		Solutions		Polystyrene		Feedstocks		Styrenics		Total
Balance at December 31, 2022	$	348.9	$	14.8	$	42.5	$	4.2	$	—	$	—	$	410.4
Foreign currency impact		2.6		0.3		0.8		0.1		—		—		3.8
Balance at March 31, 2023	$	351.5	$	15.1	$	43.3	$	4.3	$	—	$	—	$	414.2