Employee Benefit And Retirement Plans (Allocations Of Pension Plan Assets) (Details)	12 Months Ended
	Nov. 30, 2012	Nov. 30, 2011
United States Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	100.00%	100.00%
Equity securities, Target	100.00%
United States Pension Plans [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	63.40%	66.20%
Equity securities, Target	70.00%
United States Pension Plans [Member] | Fixed Income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	24.50%	26.40%
Equity securities, Target	25.00%
United States Pension Plans [Member] | Other Plan Asset Categories [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	12.10%	7.40%
Equity securities, Target	5.00%
International Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	100.00%	100.00%
Equity securities, Target	100.00%
International Pension Plans [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	53.90%	54.80%
Equity securities, Target	53.00%
International Pension Plans [Member] | Fixed Income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	42.50%	45.20%
Equity securities, Target	40.00%
International Pension Plans [Member] | Other Plan Asset Categories [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities, Actual	3.60%	0.00%
Equity securities, Target	7.00%