Business Combinations (Pro Forma Adjusted Summary) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Nov. 30, 2013	Nov. 30, 2012
Business Combinations [Abstract]
Pro forma adjusted total revenue	$ 1,081,257	$ 1,058,888
Pro forma adjusted net income attributable to TIBCO Software Inc.	$ 81,859	$ 114,951
Pro forma adjusted net income per share attributable to TIBCO Software Inc.: Basic (usd per share)	$ 0.51	$ 0.72
Pro forma adjusted net income per share attributable to TIBCO Software Inc.: Diluted (usd per share)	$ 0.49	$ 0.68