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Condensed and Consolidated Financial Statements for Entities in Bankruptcy - Narrative (Details) - Lamington - USD ($)
3 Months Ended
Jul. 28, 2017
May 16, 2014
Feb. 29, 2020
Feb. 28, 2019
Senior Notes | 8.5% Promissory Note        
Condensed Financial Statements, Captions [Line Items]        
Debt instrument term   10 years    
Debt issued   $ 59,300,000    
Debt interest rate   8.50%    
Period to capitalize outstanding principal balance   7 days    
Outstanding principal balance       $ 87,100,000
Capitalized interest included in outstanding principal balance       27,700,000
Principal payments due prior to maturity date       0
Senior Notes | Special Dividend Note        
Condensed Financial Statements, Captions [Line Items]        
Debt issued $ 57,000,000      
Debt interest rate 5.00%      
Outstanding principal balance       60,600,000
Capitalized interest included in outstanding principal balance       3,600,000
Principal payments due prior to maturity date       0
Period after which interest shall be capitalized if accrued interest is not paid 7 days      
Fair value of notes       56,600,000
Combined face value of notes       147,600,000
Subsidiaries        
Condensed Financial Statements, Captions [Line Items]        
Administrative service fees - affiliate     $ 0 1,427,000
Liabilities subject to compromise     $ 0 $ 7,181,000