Employee Benefit And Retirement Plans (Fair Value Of Pension Plan Assets) (Details) - USD ($) $ in Millions		Nov. 30, 2016	Nov. 30, 2015	Nov. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		$ 0.0	$ 0.0	$ 0.0
Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		44.8	42.5	59.7
Hedge Fund Of Funds [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		40.7	37.6	54.7
Private Equity Funds [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		4.1	4.9	5.0
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		558.9	548.6	576.3
United States Pension Plans of US Entity, Defined Benefit [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		328.0	331.9
United States Pension Plans of US Entity, Defined Benefit [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		186.1	174.2
United States Pension Plans of US Entity, Defined Benefit [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		44.8	42.5
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		5.9	11.0
United States Pension Plans of US Entity, Defined Benefit [Member] | Cash And Cash Equivalents [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		5.9	11.0
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	[1]	273.0	270.1
United States Pension Plans of US Entity, Defined Benefit [Member] | U.S. Equity Securities [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[1]	134.0	141.2
United States Pension Plans of US Entity, Defined Benefit [Member] | U.S. Equity Securities [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[1]	139.0	128.9
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	[2]	112.6	105.7
United States Pension Plans of US Entity, Defined Benefit [Member] | International Equity Securities [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[2]	112.6	105.7
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	[3]	33.5	32.3
United States Pension Plans of US Entity, Defined Benefit [Member] | U.S./Government/Corporate Bonds [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[3]	33.5	32.3
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	[4]	33.6	33.2
United States Pension Plans of US Entity, Defined Benefit [Member] | High Yield Bonds [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[4]	33.6	33.2
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	[5]	25.2	25.2
United States Pension Plans of US Entity, Defined Benefit [Member] | International/Government/Corporate Bonds [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[5]	25.2	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	[6]	1.1	1.1
United States Pension Plans of US Entity, Defined Benefit [Member] | Insurance Contracts [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[6]	1.1	1.1
United States Pension Plans of US Entity, Defined Benefit [Member] | Hedge Fund Of Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[7]	40.7	37.6
United States Pension Plans of US Entity, Defined Benefit [Member] | Hedge Fund Of Funds [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[7]	40.7	37.6
United States Pension Plans of US Entity, Defined Benefit [Member] | Private Equity Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[8]	4.1	4.9
United States Pension Plans of US Entity, Defined Benefit [Member] | Private Equity Funds [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[8]	4.1	4.9
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	[9]	16.8	16.5
United States Pension Plans of US Entity, Defined Benefit [Member] | Real Estate Funds [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[9]	16.8	16.5
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	[10]	12.4	11.0
United States Pension Plans of US Entity, Defined Benefit [Member] | Other Nonrenewable Natural Resources [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[10]	12.4	11.0
International Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		289.1	288.3	$ 305.3
International Pension Plans [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		0.1	0.9
International Pension Plans [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		289.0	287.4
International Pension Plans [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		0.0	0.0
International Pension Plans [Member] | Cash And Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		0.1	0.9
International Pension Plans [Member] | Cash And Cash Equivalents [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		0.1	0.9
International Pension Plans [Member] | Cash And Cash Equivalents [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets			0.0
International Pension Plans [Member] | International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[2]	161.1	156.8
International Pension Plans [Member] | International Equity Securities [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[2]	161.1	156.8
International Pension Plans [Member] | International Equity Securities [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[2]		0.0
International Pension Plans [Member] | U.S./Government/Corporate Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[3]	107.8	110.6
International Pension Plans [Member] | U.S./Government/Corporate Bonds [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[3]	107.8	110.6
International Pension Plans [Member] | U.S./Government/Corporate Bonds [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[3]		0.0
International Pension Plans [Member] | Insurance Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[6]	20.1	20.0
International Pension Plans [Member] | Insurance Contracts [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[6]	$ 20.1	20.0
International Pension Plans [Member] | Insurance Contracts [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[6]		$ 0.0

[1] This category comprises equity funds and collective equity trust funds that most closely track the S&P index and other equity indices.

[2] This category comprises international equity funds with varying benchmark indices.

[3] This category comprises funds consisting of U.S. government and U.S. corporate bonds and other fixed income securities. An appropriate benchmark is the Barclays Capital Aggregate Bond Index.

[4] This category comprises funds consisting of real estate related debt securities with an appropriate benchmark of the Barclays Investment Grade CMBS Index.

[5] This category comprises funds consisting of international government/corporate bonds and other fixed income securities with varying benchmark indices.

[6] This category comprises insurance contracts, the majority of which have a guaranteed investment return.

[7] This category comprises hedge funds investing in strategies represented in various HFRI Fund Indices.

[8] This category comprises private equity, venture capital and limited partnerships.

[9] This category comprises funds investing in real estate investment trusts (REIT). An appropriate benchmark is the MSCI U.S. REIT Index

[10] This category comprises funds investing in natural resources. An appropriate benchmark is the Alerian master limited partnership (MLP) Index.