COMMITMENTS AND CONTINGENCIES - Summary of Contractual Commitments (Details) (USD $)	6 Months Ended
	May 31, 2014
Commitments:
Debt principal, Total	$ 600,000,000
Debt principal, Remainder of 2014	0
Debt principal, 2015	0
Debt principal, 2016	0
Debt principal, 2017	600,000,000
Debt principal, 2018	0
Debt principal, Thereafter	0
Debt interest, Total	40,500,000
Debt interest, Remainder of 2014	6,750,000
Debt interest, 2015	13,500,000
Debt interest, 2016	13,500,000
Debt interest, 2017	6,750,000
Debt interest, 2018	0
Debt interest, Thereafter	0
Operating leases, Total	44,692,000	[1]
Operating leases, Remainder of 2014	5,412,000	[1]
Operating leases, 2015	10,321,000	[1]
Operating leases, 2016	9,678,000	[1]
Operating leases, 2017	8,394,000	[1]
Operating leases, 2018	6,161,000	[1]
Operating leases, Thereafter	4,726,000	[1]
Total commitments, Total	685,192,000
Total commitments, Remainder of 2014	12,162,000
Total commitments, 2015	23,821,000
Total commitments, 2016	23,178,000
Total commitments, 2017	615,144,000
Total commitments, 2018	6,161,000
Total commitments, Thereafter	4,726,000
Sublease income	$ 4,700,000

[1] Operating leases included future minimum rent payments, net of estimated sublease income of $4.7 million, for facilities that we have vacated pursuant to our restructuring activities, as discussed in Note 7.