NET INCOME PER SHARE - Computation of Basic and Diluted Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Feb. 28, 2014	Feb. 28, 2013
Earnings Per Share [Abstract]
Net income attributable to TIBCO Software Inc.	$ 12,150	$ 9,505
Weighted-average shares of common stock used to compute basic net income per share (in shares)	162,299	161,521
Effect of dilutive common stock equivalents:
Stock options (in shares)	3,430	5,111
Stock awards (in shares)	1,627	2,485
Employee stock purchase program (in shares)	13	13
Weighted-average shares of common stock used to compute diluted net income per share (in shares)	167,369	169,130
Net income per share attributable to TIBCO Software Inc.:
Basic (usd per share)	$ 0.07	$ 0.06
Diluted (usd per share)	$ 0.07	$ 0.06