Employee Benefit And Retirement Plans-Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Nov. 30, 2017
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Accumulated Benefit Obligation, (Increase) Decrease for Settlement and Curtailment	$ 17.5	$ 77.7
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax	18.0	76.7
Payment for Pension Benefits	5.9	6.3	$ 18.7
Pension and other postretirement costs	(158.3)	(165.1)	$ (152.3)
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Accumulated Benefit Obligation, (Increase) Decrease for Settlement and Curtailment	$ 17.5	$ 7.8