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Employee Benefit And Retirement Plans (Fair Value Of Pension Plan Assets) (Details) - USD ($) $ in Millions | Nov. 30, 2019 | Nov. 30, 2018 | Nov. 30, 2017
--- | --- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | $ 0.0 | $ 0.0 | $ 0.0
Foreign Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 340.9 | 306.5 | 331.3
Foreign Plan [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 2.5 | 2.0 |
Foreign Plan [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 338.4 | 304.5 |
Foreign Plan [Member] | Cash and Cash Equivalents [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 2.5 | 2.0 |
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 | 2.5 | 2.0 |
Foreign Plan [Member] | International Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 171.6 | 159.5 |
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 | 171.6 | 159.5 |
Foreign Plan [Member] | U.S./Government/Corporate Bonds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 144.7 | 125.2 |
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 | 144.7 | 125.2 |
Foreign Plan [Member] | Insurance Contracts [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 22.1 | 19.8 |
Foreign Plan [Member] | Insurance Contracts [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 22.1 | 19.8 |
United States |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 671.9 | 640.4 | $ 654.2
Fair value, excluding investments at net asset value | 594.4 | 578.2 |
United States | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value, excluding investments at net asset value | 395.9 | 381.9 |
United States | Fair Value, Inputs, Level 2 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value, excluding investments at net asset value | 198.5 | 196.3 |
United States | Cash and Cash Equivalents [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 15.3 | 16.0 |
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 | 15.3 | 16.0 |
United States | U.S. Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 276.5 | 283.2 |
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 | 148.5 | 149.6 |
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 | 128.0 | 133.6 |
United States | International Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 145.5 | 132.7 |
United States | International Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 134.2 | 126.1 |
United States | International Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 11.3 | 6.6 |
United States | U.S./Government/Corporate Bonds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 51.2 | 46.2 |
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 | 49.1 | 44.1 |
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 | 2.1 |  |
United States | High Yield Bonds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 40.1 | 36.7 |
United States | High Yield Bonds [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 40.1 | 36.7 |
United States | International/Government/Corporate Bonds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 26.8 | 27.4 |
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 | 26.8 | 27.4 |
United States | Insurance Contracts [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 2 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 1.1 | 1.1 |
United States | Real Estate Funds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 25.9 | 22.3 |
United States | Real Estate Funds [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 22.0 | 18.7 |
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 | 3.6 |
United States | Other Nonrenewable Natural Resources [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of pension plan assets | 12.0 | 12.6 |
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 | 12.0 | 12.6 |
United States | Hedge Fund Of Funds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Investments measured at net asset value | 49.3 | 36.7 |
United States | Private Equity Funds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Investments measured at net asset value | 3.2 | 5.6 |
United States | Private Placement [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Investments measured at net asset value | $ 25.0 | $ 19.9 |

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