Revenue from Contract with Customer - Summary of Disaggregated Revenue (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Net Sales	$ 169.2	$ 192.4	$ 205.7	$ 168.9	$ 191.3	$ 193.6	$ 206.3	$ 178.7	$ 736.2	$ 769.8	$ 783.1
Americas [Member]
Net Sales									428.2
Asia [Member]
Net Sales									107.9	156.2	160.0
Europe [Member]
Net Sales									200.1	$ 164.0	$ 141.4
Performance Materials [Member]
Net Sales									223.2
Performance Materials [Member] | Americas [Member]
Net Sales									138.4
Performance Materials [Member] | Asia [Member]
Net Sales									56.2
Performance Materials [Member] | Europe [Member]
Net Sales									28.6
Specialty Solutions [Member]
Net Sales									513.0
Specialty Solutions [Member] | Americas [Member]
Net Sales									289.8
Specialty Solutions [Member] | Asia [Member]
Net Sales									51.7
Specialty Solutions [Member] | Europe [Member]
Net Sales									$ 171.5