Summary of Significant Accounting Policies, (As Restated for fiscal 2014 and 2013) - Schedule of Estimated Fair Value and Principal Amount of Outstanding Debt (Parenthetical) (Details)	Nov. 30, 2015	Nov. 30, 2014
7.125% Second-Priority Senior Secured Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior subordinated notes, bearing interest	7.125%	7.125%
4 1/16% Convertible Subordinated Debentures [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior subordinated notes, bearing interest	4.0625%	4.0625%