ACCRUED RESTRUCTURING COSTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Feb. 28, 2014
Restructuring Reserve [Roll Forward]
As of November 30, 2013	$ 5,906
Restructuring adjustments	(759)
Cash utilized	(3,350)
As of February 28, 2014	1,797
Accrued Facilities Restructuring
Restructuring Reserve [Roll Forward]
As of November 30, 2013	1,209
Restructuring adjustments	(397)
Cash utilized	(534)
As of February 28, 2014	278
Accrued Severance and Other
Restructuring Reserve [Roll Forward]
As of November 30, 2013	4,697
Restructuring adjustments	(362)
Cash utilized	(2,816)
As of February 28, 2014	$ 1,519