Taxes (Details) - Schedule of provision for income taxes - USD ($) $ in Millions	12 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2018
Federal
Current	$ (72.2)	$ (0.2)	$ (3.6)
Deferred	27.3	1.1	5.0
State and local
Current	(1.2)	4.8	0.7
Deferred	(0.9)	3.1	(3.5)
International
Current	2.1	2.8	4.9
Deferred	(1.1)	(1.2)	0.0
Total
Current	(71.3)	7.4	2.0
Deferred	25.3	3.0	1.5
Total provision for income taxes (in Dollars)	$ (46.0)	$ 10.4	$ 3.5