Employee Benefit And Retirement Plans (Allocations Of Pension Plan Assets) (Details)	Nov. 30, 2019	Nov. 30, 2018
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	100.00%	100.00%
Equity securities, Target	100.00%
Foreign Plan [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	50.40%	52.10%
Equity securities, Target	53.00%
Foreign Plan [Member] | Fixed Income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	48.90%	47.80%
Equity securities, Target	47.00%
Foreign Plan [Member] | Other Plan Asset Categories [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	0.70%	0.10%
Equity securities, Target	0.00%
United States
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	100.00%	100.00%
Equity securities, Target	100.00%
United States | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	63.30%	65.80%
Equity securities, Target	59.00%
United States | Fixed Income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	21.50%	20.50%
Equity securities, Target	23.20%
United States | Other Plan Asset Categories [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	15.20%	13.70%
Equity securities, Target	17.80%