Employee Benefit And Retirement Plans (Significant Assumptions Used To Determine Benefit Obligations) (Details)	12 Months Ended
	Nov. 30, 2012	Nov. 30, 2011
United States Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Salary scale	3.80%	3.80%
Expected return on plan assets	8.00%	8.30%
United States Pension Plans [Member] | Funded Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.30%	5.50%
United States Pension Plans [Member] | Unfunded Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.20%	5.40%
International Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets	6.70%	7.20%
International Pension Plans [Member] | Funded Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.40%	5.10%
International Pension Plans [Member] | Unfunded Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	0.00%	0.00%
International Pension Plans [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Salary scale	3.00%	3.00%
International Pension Plans [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Salary scale	3.80%	3.80%