Restructuring and Severance - Rollforward Schedule (Details) - USD ($) $ in Millions	3 Months Ended								9 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	Aug. 31, 2019	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Translation and Other Adjustment	$ 17.9
Restructuring Reserve [Roll Forward]
Beginning Balance				$ 1.1				$ 2.2	$ 1.1	$ 1.1	$ 2.2	$ 4.2
Restructuring charges	0.6	$ 0.8	$ 2.8	$ 1.1	$ 1.7	$ 0.3	$ 0.2	$ 1.3		5.3	3.5	5.7
Payments for Restructuring										6.4	4.6	7.7
Ending Balance	$ 0.0				$ 1.1					$ 0.0	1.1	$ 2.2
2018 restructuring plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges											$ 4.3
2017 restructuring plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges									1.0
Project Life to Date [Member] | 2018 restructuring plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges									6.1
Project Life to Date [Member] | 2017 restructuring plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges									$ 6.2