Income Taxes (Details 2) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Nov. 30, 2014	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent		(1.30%)	(0.00%)	7.40%
Income tax benefit computed at the statutory U.S. federal income tax rate and income tax benefit (expense) provided in the consolidated statements of operations
Income tax benefit computed at statutory rate		$ (44,462)	$ (33,232)	$ (13,427)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		(35.00%)	(35.00%)	(35.00%)
Increase (decrease) resulting from
State taxes, net of federal income tax benefit		$ (5,155)	$ (13,907)	$ (1,947)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent		(4.10%)	(14.70%)	(5.10%)
Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Amount		$ (2,259)	$ 0	$ (1,808)
Effective Income Tax Rate Reconciliation, Deduction, Other, Percent		(1.80%)	0.00%	(4.70%)
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount		$ 0	$ 1,249	$ 0
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent		(0.00%)	1.30%	(0.00%)
Effective Income Tax Rate Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary, Amount		$ 1,617	$ 10,441	$ (9,598)
Effective Income Tax Rate Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary, Percent		1.30%	11.00%	(25.00%)
NOLs reconciliation		$ (3,379)	$ 12,973	$ (3,806)
Effective Income Tax Reconciliation Change Net Operating Loss, Percentage		(2.70%)	13.70%	(9.90%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount		$ (1,701)	$ 0	$ 2,827
Recognition of federal tax benefits		$ 0	$ 59	$ 1,600
Effective Income tax Reconciliation Recognition of Federal Tax Benefits, Percent		(0.00%)	0.10%	4.20%
Tax credits		$ 8,220	$ 2,884	$ 2,675
Effective Income Tax Rate Reconciliation, Tax Credit, Percent		6.50%	3.00%	7.00%
Valuation allowance for deferred tax assets		$ 3,356	$ 825,232	$ 20,673
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent		2.60%	869.10%	53.90%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation, Percent		2.50%	16.60%	11.80%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation and Amortization, Amount		$ 3,183	$ 15,765	$ 4,523
Other, net		$ (1,820)	$ 1,936	$ (112)
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent		(1.40%)	2.10%	(0.30%)
Income tax benefit	$ 824,200	$ (42,400)	$ 823,400	$ 1,600
Effective Income Tax Rate Reconciliation, Percent		(33.40%)	867.20%	4.30%
Reconciliation of the beginning and ending balances of the gross unrecognized benefits
Balance at beginning of year		$ 206	$ 206	$ 1,671
Reductions due to lapse of statute of limitations		(150)	0	(1,465)
Balance at the end of year	$ 206	$ 56	$ 206	$ 206