Employee Benefit And Retirement Plans (Fair Value Of Pension Plan Assets) (Details) - USD ($) $ in Millions	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2015
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	$ 0.0	$ 0.0	$ 0.0
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	654.2	558.9	548.6
Fair value, excluding investments at net asset value	596.6	514.1
United States Pension Plans of US Entity, Defined Benefit [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value, excluding investments at net asset value	386.1	328.0
United States Pension Plans of US Entity, Defined Benefit [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value, excluding investments at net asset value	210.5	186.1
United States Pension Plans of US Entity, Defined Benefit [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	6.4	5.9
United States Pension Plans of US Entity, Defined Benefit [Member] | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	6.4	5.9
United States Pension Plans of US Entity, Defined Benefit [Member] | U.S. Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	305.1	273.0
United States Pension Plans of US Entity, Defined Benefit [Member] | U.S. Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	144.2	134.0
United States Pension Plans of US Entity, Defined Benefit [Member] | U.S. Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	160.9	139.0
United States Pension Plans of US Entity, Defined Benefit [Member] | International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	144.8	112.6
United States Pension Plans of US Entity, Defined Benefit [Member] | International Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	144.8	112.6
United States Pension Plans of US Entity, Defined Benefit [Member] | U.S./Government/Corporate Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	45.3	33.5
United States Pension Plans of US Entity, Defined Benefit [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	45.3	33.5
United States Pension Plans of US Entity, Defined Benefit [Member] | High Yield Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	35.6	33.6
United States Pension Plans of US Entity, Defined Benefit [Member] | High Yield Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	35.6	33.6
United States Pension Plans of US Entity, Defined Benefit [Member] | International/Government/Corporate Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	27.1	25.2
United States Pension Plans of US Entity, Defined Benefit [Member] | International/Government/Corporate Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	27.1	25.2
United States Pension Plans of US Entity, Defined Benefit [Member] | Insurance Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	1.1	1.1
United States Pension Plans of US Entity, Defined Benefit [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
United States Pension Plans of US Entity, Defined Benefit [Member] | Real Estate Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	19.8	16.8
United States Pension Plans of US Entity, Defined Benefit [Member] | Real Estate Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	18.3	16.8
United States Pension Plans of US Entity, Defined Benefit [Member] | Real Estate Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	1.5
United States Pension Plans of US Entity, Defined Benefit [Member] | Other Nonrenewable Natural Resources [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	11.4	12.4
United States Pension Plans of US Entity, Defined Benefit [Member] | Other Nonrenewable Natural Resources [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	11.4	12.4
United States Pension Plans of US Entity, Defined Benefit [Member] | Hedge Fund Of Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Investments measured at net asset value	41.5	40.7
United States Pension Plans of US Entity, Defined Benefit [Member] | Private Equity Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Investments measured at net asset value	3.2	4.1
United States Pension Plans of US Entity, Defined Benefit [Member] | Private Placement [Member]
Defined Benefit Plan Disclosure [Line Items]
Investments measured at net asset value	12.9
International Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	331.3	289.1	$ 288.3
International Pension Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.3	0.1
International Pension Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	331.0	289.0
International Pension Plans [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.3	0.1
International Pension Plans [Member] | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.3	0.1
International Pension Plans [Member] | International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	178.2	161.1
International Pension Plans [Member] | International Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	178.2	161.1
International Pension Plans [Member] | U.S./Government/Corporate Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	131.6	107.8
International Pension Plans [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	131.6	107.8
International Pension Plans [Member] | Insurance Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	21.2	20.1
International Pension Plans [Member] | Insurance Contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	$ 21.2	$ 20.1