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