Stockholders' Equity - Non-Controlling Interest (Details) - USD ($) $ in Millions		12 Months Ended
	Oct. 31, 2013	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Common stock originally issuable upon exchange (in shares)	8,774,527
Common stock issued in connection with exchange of PDH common stock (in shares)		1
Net income allocated to retaining holders		$ 1.3	$ 2.1	$ (5.9)
MacDermid
Business Acquisition [Line Items]
Equity instruments	$ 97.5
PDH
Business Acquisition [Line Items]
Common stock issued in connection with exchange of PDH common stock (in shares)		4,754,848
PDH
Business Acquisition [Line Items]
Noncontrolling interest percentage		3.22%	3.83%	6.01%