Employee Benefit And Retirement Plans (Amounts Recorded In Balance Sheet, Defined Benefit Pension Plans) (Details) - USD ($) $ in Millions	Nov. 30, 2020	Nov. 30, 2019
Defined Benefit Plan Disclosure [Line Items]
Accumulated other comprehensive loss	$ 296.3	$ 234.0
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Non-current pension asset	19.6	15.6
Accrued pension liability	22.6	20.3
Deferred income tax assets	14.3	13.3
Accumulated other comprehensive loss	63.7	60.1
United States
Defined Benefit Plan Disclosure [Line Items]
Non-current pension asset	0.0	0.0
Accrued pension liability	269.8	212.9
Deferred income tax assets	74.0	58.5
Accumulated other comprehensive loss	$ 235.5	$ 183.9