Segment Information (Summary Of Percentage Of License Revenue By Product Segment) (Details)	12 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2010
Revenue from External Customers by Products and Services [Line Items]
Total license revenue	100.00%	100.00%	100.00%
SOA and core infrastructure
Revenue from External Customers by Products and Services [Line Items]
Total license revenue	50.00%	56.00%	62.00%
Business optimization
Revenue from External Customers by Products and Services [Line Items]
Total license revenue	39.00%	33.00%	27.00%
Process automation and collaboration
Revenue from External Customers by Products and Services [Line Items]
Total license revenue	11.00%	11.00%	11.00%