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Income Taxes (Details 2) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Nov. 30, 2014
Nov. 30, 2016
Nov. 30, 2015
Nov. 30, 2014
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   $ (52,260) $ (44,462) $ (33,232)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   (35.00%) (35.00%) (35.00%)
Increase (decrease) resulting from        
Valuation allowance for deferred tax assets   $ 12,982 $ 3,356 $ 825,232
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent   8.70% 2.60% 869.10%
Tax credits   $ 4,447 $ 6,926 $ 1,875
Effective Income Tax Rate Reconciliation, Tax Credit, Percent   3.00% 5.50% 2.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation and Amortization, Amount   $ 1,842 $ 3,183 $ 15,765
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation, Percent   1.20% 2.50% 16.60%
Effective Income Tax Rate Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary, Amount   $ (86) $ 1,617 $ 10,441
Effective Income Tax Rate Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary, Percent   (0.10%) 1.30% 11.00%
NOLs reconciliation   $ (3,691) $ (3,379) $ 12,973
Effective Income Tax Reconciliation Change Net Operating Loss, Percentage   (2.50%) (2.70%) 13.70%
State taxes, net of federal income tax benefit   $ (7,511) $ (5,155) $ (13,907)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent   (5.00%) (4.10%) (14.70%)
Other, net   $ 577 $ (4,486) $ 4,253
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent   0.40% (3.50%) 4.50%
Income tax benefit $ 824,200 $ (43,700) $ (42,400) $ 823,400
Effective Income Tax Rate Reconciliation, Percent   (29.30%) (33.40%) 867.20%
Reconciliation of the beginning and ending balances of the gross unrecognized benefits        
Balance at beginning of year   $ 56 $ 206 $ 206
Reductions due to lapse of statute of limitations   0 (150) 0
Balance at the end of year $ 206 $ 56 $ 56 $ 206