Employee Benefit And Retirement Plans - Additional Information (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	May 31, 2018	May 31, 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	7.7	8.5	$ 18.7
Pension and other postretirement costs	(157.6)	(164.7)	$ (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