Employee Benefit And Retirement Plans (Fair Value Of Pension Plan Assets) (Details) - USD ($) $ in Millions	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2016
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	306.5	331.3	289.1
Foreign Plan [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	2.0	0.3
Foreign Plan [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	304.5	331.0
Foreign Plan [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	2.0	0.3
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	2.0	0.3
Foreign Plan [Member] | International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	159.5	178.2
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	159.5	178.2
Foreign Plan [Member] | U.S./Government/Corporate Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	125.2	131.6
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	125.2	131.6
Foreign Plan [Member] | Insurance Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	19.8	21.2
Foreign Plan [Member] | Insurance Contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	19.8	21.2
Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	640.4	654.2	$ 558.9
Fair value, excluding investments at net asset value	578.2	596.6
Domestic Plan [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value, excluding investments at net asset value	381.9	386.1
Domestic Plan [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value, excluding investments at net asset value	196.3	210.5
Domestic Plan [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	16.0	6.4
Domestic 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	16.0	6.4
Domestic Plan [Member] | U.S. Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	283.2	305.1
Domestic Plan [Member] | U.S. Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	149.6	144.2
Domestic Plan [Member] | U.S. Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	133.6	160.9
Domestic Plan [Member] | International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	132.7	144.8
Domestic Plan [Member] | International Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	126.1	144.8
Domestic Plan [Member] | International Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	6.6
Domestic Plan [Member] | U.S./Government/Corporate Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	46.2	45.3
Domestic Plan [Member] | U.S./Government/Corporate Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	44.1	45.3
Domestic 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	2.1
Domestic Plan [Member] | High Yield Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	36.7	35.6
Domestic Plan [Member] | High Yield Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	36.7	35.6
Domestic Plan [Member] | International/Government/Corporate Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	27.4	27.1
Domestic Plan [Member] | International/Government/Corporate Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	27.4	27.1
Domestic Plan [Member] | Insurance Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	1.1	1.1
Domestic Plan [Member] | 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
Domestic Plan [Member] | Real Estate Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	22.3	19.8
Domestic Plan [Member] | Real Estate Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	18.7	18.3
Domestic Plan [Member] | Real Estate Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	3.6	1.5
Domestic Plan [Member] | Other Nonrenewable Natural Resources [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	12.6	11.4
Domestic Plan [Member] | Other Nonrenewable Natural Resources [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	12.6	11.4
Domestic Plan [Member] | Hedge Fund Of Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Investments measured at net asset value	36.7	41.5
Domestic Plan [Member] | Private Equity Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Investments measured at net asset value	5.6	3.2
Domestic Plan [Member] | Private Placement [Member]
Defined Benefit Plan Disclosure [Line Items]
Investments measured at net asset value	$ 19.9	$ 12.9