Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Sales	$ 924.5	$ 705.3	$ 2,245.1	$ 2,204.1
Operating Income	33.5	43.1	124.3	136.3
Total assets	4,709.9		4,709.9		$ 3,273.3
Corporate and eliminations before intersegment eliminations
Segment Reporting Information [Line Items]
Sales	3.7	0.0	9.5	0.0
Corporate and eliminations
Segment Reporting Information [Line Items]
Sales	(20.3)	(19.9)	(55.4)	(61.0)
Operating Income	(59.2)	(33.6)	(114.5)	(107.2)
Total assets	759.8		759.8		1,047.9
Color, Additives and Inks
Segment Reporting Information [Line Items]
Sales	492.1	244.7	973.4	772.8
Color, Additives and Inks | Operating Segments
Segment Reporting Information [Line Items]
Sales	493.8	246.3	977.1	777.1
Operating Income	50.5	38.4	123.3	120.2
Total assets	2,980.3		2,980.3		1,215.8
Specialty Engineered Materials
Segment Reporting Information [Line Items]
Sales	156.6	169.6	472.1	525.7
Specialty Engineered Materials | Operating Segments
Segment Reporting Information [Line Items]
Sales	174.1	183.0	518.2	568.2
Operating Income	24.7	19.5	64.0	64.9
Total assets	727.3		727.3		774.0
Distribution
Segment Reporting Information [Line Items]
Sales	272.1	291.0	790.1	905.6
Distribution | Operating Segments
Segment Reporting Information [Line Items]
Sales	276.9	295.9	805.2	919.8
Operating Income	17.5	$ 18.8	51.5	$ 58.4
Total assets	$ 242.5		$ 242.5		$ 235.6