Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2019	May 31, 2018	May 31, 2019	May 31, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 205.7	$ 206.3	$ 374.6	$ 385.0
Americas [Member]
Disaggregation of Revenue [Line Items]
Net sales	117.4		218.3
Asia [Member]
Disaggregation of Revenue [Line Items]
Net sales	29.6		55.0
Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	58.7		101.3
Specialty Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	142.3		255.0
Specialty Solutions [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Net sales	77.0		142.7
Specialty Solutions [Member] | Asia [Member]
Disaggregation of Revenue [Line Items]
Net sales	15.1		26.4
Specialty Solutions [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	50.2		85.9
Performance Materials [Member]
Disaggregation of Revenue [Line Items]
Net sales	63.4		119.6
Performance Materials [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Net sales	40.4		75.6
Performance Materials [Member] | Asia [Member]
Disaggregation of Revenue [Line Items]
Net sales	14.5		28.6
Performance Materials [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 8.5		$ 15.4