ACCRUED RESTRUCTURING COSTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2014	Aug. 31, 2013
Restructuring Reserve [Roll Forward]
As of November 30, 2013			$ 5,906
Restructuring charges	(108)	8,886	954	8,871
Cash utilized			(5,890)
As of August 31, 2014	970		970
Accrued Facilities Restructuring
Restructuring Reserve [Roll Forward]
As of November 30, 2013			1,209
Restructuring charges			153
Cash utilized			(835)
As of August 31, 2014	527		527
Accrued Severance and Other
Restructuring Reserve [Roll Forward]
As of November 30, 2013			4,697
Restructuring charges			801
Cash utilized			(5,055)
As of August 31, 2014	$ 443		$ 443