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Employee Benefit And Retirement Plans (Fair Value Of Pension Plan Assets) (Details) - USD ($) $ in Millions	Nov. 30, 2020	Nov. 30, 2019	Nov. 30, 2018
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	$ 0.0	$ 0.0	$ 0.0
United States
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	688.2	671.9	640.4
United States | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	418.5	395.9
United States | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	198.7	198.5
United States | Fair Value, Inputs, Level 1, 2 and 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	617.2	594.4
United States | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	28.1	15.3
United States | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	28.1	15.3
United States | U.S. Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	138.2	148.5
United States | U.S. Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	132.9	128.0
United States | U.S. Equity Securities [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	271.1	276.5
United States | International Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	147.6	134.2
United States | International Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	11.6	11.3
United States | International Equity Securities [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	159.2	145.5
United States | U.S./Government/Corporate Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	54.9	49.1
United States | U.S./Government/Corporate Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	2.2	2.1
United States | U.S./Government/Corporate Bonds [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	57.1	51.2
United States | High Yield Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	37.3	40.1
United States | High Yield Bonds [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	37.3	40.1
United States | International/Government/Corporate Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	29.1	26.8
United States | International/Government/Corporate Bonds [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	29.1	26.8
United States | Insurance Contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	1.1	1.1
United States | Insurance Contracts [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	1.1	1.1
United States | Real Estate Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	20.6	22.0
United States | Real Estate Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	3.9	3.9
United States | Real Estate Funds [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	24.5	25.9
United States | Other Nonrenewable Natural Resources [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	9.7	12.0
United States | Other Nonrenewable Natural Resources [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	9.7	12.0
United States | Hedge Fund Of Funds [Member] | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	39.5	49.3
United States | Private Equity Funds [Member] | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	4.8	3.2
United States | Private Placement [Member] | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	26.7	25.0
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	368.7	340.9	$ 306.5
Foreign Plan [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	3.1	2.5
Foreign Plan [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	365.6	338.4
Foreign Plan [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	3.1	2.5
Foreign Plan [Member] | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	3.1	2.5
Foreign Plan [Member] | International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	187.6	171.6
Foreign Plan [Member] | International Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	187.6	171.6
Foreign Plan [Member] | U.S./Government/Corporate Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	155.4	144.7
Foreign Plan [Member] | U.S./Government/Corporate Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	155.4	144.7
Foreign Plan [Member] | Insurance Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	22.6	22.1
Foreign Plan [Member] | Insurance Contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	$ 22.6	$ 22.1

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