Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2019	Feb. 28, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 168.9	$ 178.7
Americas [Member]
Disaggregation of Revenue [Line Items]
Net sales	103.7
Asia [Member]
Disaggregation of Revenue [Line Items]
Net sales	18.8
Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	46.4
Specialty Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	112.7
Specialty Solutions [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Net sales	70.4
Specialty Solutions [Member] | Asia [Member]
Disaggregation of Revenue [Line Items]
Net sales	7.6
Specialty Solutions [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	34.7
Performance Materials [Member]
Disaggregation of Revenue [Line Items]
Net sales	56.2
Performance Materials [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Net sales	33.3
Performance Materials [Member] | Asia [Member]
Disaggregation of Revenue [Line Items]
Net sales	11.2
Performance Materials [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 11.7