Employee Benefit And Retirement Plans (Amounts Recorded In Balance Sheet, Defined Benefit Pension Plans) (Details) - USD ($) $ in Millions	Nov. 30, 2021	Nov. 30, 2020
Defined Benefit Plan Disclosure [Line Items]
Accumulated other comprehensive loss, net of tax	$ 193.6	$ 296.3
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Non-current pension asset	61.6	19.6
Accrued pension liability	18.0	22.6
Deferred income tax assets	3.9	14.3
Accumulated other comprehensive loss, net of tax	32.2	63.7
United States
Defined Benefit Plan Disclosure [Line Items]
Non-current pension asset	0.0	0.0
Accrued pension liability	167.5	269.8
Deferred income tax assets	52.9	74.0
Accumulated other comprehensive loss, net of tax	$ 167.8	$ 235.5