Employee Benefit And Retirement Plans (Fair Value Of Pension Plan Assets) (Details) - USD ($) $ in Millions		Nov. 30, 2015		Nov. 30, 2014		Nov. 30, 2013
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		42.5		59.7		23.4
Hedge Fund Of Funds [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		37.6		54.7		18.5
Private Equity Funds [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		4.9		5.0		4.9
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		548.6		576.3		552.3
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		331.9		326.9
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		174.2		189.7
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		42.5		59.7
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		11.0		15.0
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		11.0		15.0
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]	270.1		294.6
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]	141.2		137.9
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]	128.9		156.7
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]	105.7		111.1
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]	105.7		111.1
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]	32.3		30.6
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]	32.3		30.6
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]	33.2		31.9
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]	33.2		31.9
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		25.9
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		25.9
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]	37.6		54.7
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]	37.6		54.7
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]	4.9		5.0
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]	4.9		5.0
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		16.5	[9]	6.4	[8]
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		16.5	[9]	6.4	[8]
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]	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]	11.0
International Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		288.3		305.3		$ 279.9
International Pension Plans [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		0.9		0.6
International Pension Plans [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		287.4		304.7
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		0.9		0.6
International Pension Plans [Member] | Cash And Cash Equivalents [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		0.9		0.6
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]	156.8		172.7
International Pension Plans [Member] | International Equity Securities [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[2]	156.8		172.7
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]	110.6		108.5
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]	110.6		108.5
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]	20.0		23.5
International Pension Plans [Member] | Insurance Contracts [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	[6]	$ 20.0		23.5
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.