Employee Benefit And Retirement Plans - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	May 31, 2021	May 31, 2020	May 31, 2021	May 31, 2020	Nov. 30, 2020
Defined Benefit Plan Disclosure [Line Items]
Other income, net	$ 3.9	$ 3.1	$ 8.5	$ 8.6
Payment for Pension Benefits			5.2	4.4	$ 11.9
Pension and other postretirement costs	295.2		295.2		$ 296.3
Accounting Standards Update 2017-07 [Member]
Defined Benefit Plan Disclosure [Line Items]
Other income, net	$ (1.4)	$ (2.4)	$ (3.2)	$ (5.2)