BUSINESS COMBINATIONS - Pro Forma Adjusted Summary (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2013	Aug. 31, 2012
Business Combinations [Abstract]
Pro forma adjusted total revenue	$ 270,859	$ 258,580	$ 760,375	$ 751,567
Pro forma adjusted net income attributable to TIBCO Software Inc.	$ 21,251	$ 25,821	$ 35,879	$ 67,325
Pro forma adjusted net income per share attributable to TIBCO Software Inc.:
Basic (usd per share)	$ 0.13	$ 0.16	$ 0.22	$ 0.42
Diluted (usd per share)	$ 0.13	$ 0.15	$ 0.21	$ 0.40