Employee Benefit And Retirement Plans (Fair Value Of Pension Plan Assets) (Details) (USD $) In Millions, unless otherwise specified	Nov. 30, 2012		Nov. 30, 2011		Nov. 30, 2010
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	$ 0		$ 0		$ 0
Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	26.4		24.6		22.1
Hedge Fund Of Funds [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	21.1		19.8		18.9
Private Equity Funds [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	5.3		4.8		3.2
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	519.8		400.9		383.3
United States Pension Plans of US Entity, Defined Benefit [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	519.8		400.9
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	333.1		237.2
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	160.3		139.1
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	26.4		24.6
United States Pension Plans of US Entity, Defined Benefit [Member] | Cash And Cash Equivalents [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	36.3		5.4
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	36.3		5.4
United States Pension Plans of US Entity, Defined Benefit [Member] | U.S. Equity Securities [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	239.1	[1]	196.3	[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	107.3	[1]	81.2	[1]
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	131.8	[1]	115.1	[1]
United States Pension Plans of US Entity, Defined Benefit [Member] | International Equity Securities [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	90.2	[2]	69.1	[2]
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	90.2	[2]	69.1	[2]
United States Pension Plans of US Entity, Defined Benefit [Member] | U.S./Government/Corporate Bonds [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	74.2	[3]	65.2	[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	74.2	[3]	65.2	[3]
United States Pension Plans of US Entity, Defined Benefit [Member] | High Yield Bonds [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	27.4	[4]	23.0	[4]
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	27.4	[4]	23.0	[4]
United States Pension Plans of US Entity, Defined Benefit [Member] | International/Government/Corporate Bonds [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	25.1	[5]	16.3	[5]
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	25.1	[5]	16.3	[5]
United States Pension Plans of US Entity, Defined Benefit [Member] | Insurance Contracts [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	1.1	[6]	1.0	[6]
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	1.1	[6]	1.0	[6]
United States Pension Plans of US Entity, Defined Benefit [Member] | Hedge Fund Of Funds [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	21.1	[7]	19.8	[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	21.1	[7]	19.8	[7]
United States Pension Plans of US Entity, Defined Benefit [Member] | Private Equity Funds [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	5.3	[8]	4.8	[8]
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	5.3	[8]	4.8	[8]
International Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	247.6		214.9		199.2
International Pension Plans [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	247.6		214.9
International Pension Plans [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	9.0		0.1
International Pension Plans [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	238.6		214.8
International Pension Plans [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0		0
International Pension Plans [Member] | Cash And Cash Equivalents [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	9.0
International Pension Plans [Member] | Cash And Cash Equivalents [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	9.0		0.1
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
International Pension Plans [Member] | International Equity Securities [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	133.4	[2]	117.8	[2]
International Pension Plans [Member] | International Equity Securities [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	133.4	[2]	117.8	[2]
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	[2]
International Pension Plans [Member] | U.S./Government/Corporate Bonds [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	87.4	[3]	78.9	[3]
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	87.4	[3]	78.9	[3]
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	[3]
International Pension Plans [Member] | Insurance Contracts [Member] | Fair Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	17.8	[6]	18.1	[6]
International Pension Plans [Member] | Insurance Contracts [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	17.8	[6]	18.1	[6]
International Pension Plans [Member] | Insurance Contracts [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets		[6]	$ 0	[6]

[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 fund of funds investing in strategies represented in the HFRI Fund of Funds Index.

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