Employee Benefit And Retirement Plans - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Feb. 28, 2021	Feb. 29, 2020	Nov. 30, 2020
Defined Benefit Plan Disclosure [Line Items]
Other income, net	$ 4.6	$ 5.5
Payment for Pension Benefits	2.3	1.9	$ 11.9
Pension and other postretirement costs	295.9		$ 296.3
Accounting Standards Update 2017-07 [Member]
Defined Benefit Plan Disclosure [Line Items]
Other income, net	$ (1.8)	$ (2.8)