Business Combinations (StreamBase Acquisition) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2013	Nov. 30, 2012		Nov. 30, 2011	Jun. 03, 2013 StreamBase Systems
Business Acquisition [Line Items]
Cash					$ 1,986
Accounts Receivable					1,504
Deferred income tax assets, net					7,022
Other assets					467
Identifiable intangible assets					19,600
Goodwill	582,091	532,290	[1]	451,821	26,546
Liabilities					(3,138)
Deferred Revenue					(2,345)
Total preliminary purchase price					$ 51,642

[1] Pursuant to the business combinations accounting guidance, we record goodwill adjustments for the effect on goodwill changes to net assets acquired during the measurement period (up to one year from the date of an acquisition). Goodwill adjustments were not significant to our previously reported operating results or financial position.