ACCRUED RESTRUCTURING COSTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013
Restructuring Reserve [Roll Forward]
As of November 30, 2013			$ 5,906
Restructuring charges	1,821	(22)	1,062	(15)
Cash utilized			(4,252)
As of May 31, 2014	2,716		2,716
Accrued Facilities Restructuring
Restructuring Reserve [Roll Forward]
As of November 30, 2013			1,209
Restructuring charges			239
Cash utilized			(552)
As of May 31, 2014	896		896
Accrued Severance and Other
Restructuring Reserve [Roll Forward]
As of November 30, 2013			4,697
Restructuring charges			823
Cash utilized			(3,700)
As of May 31, 2014	$ 1,820		$ 1,820