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Investments in Unconsolidated Joint Ventures (Information for Investments in Unconsolidated Joint Ventures) (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 28, 2014
USD ($)
May. 31, 2015
USD ($)
lot
joint_venture
May. 31, 2014
USD ($)
Nov. 30, 2014
USD ($)
lot
joint_venture
Schedule of Equity Method Investments [Line Items]        
Number of investments in unconsolidated joint ventures | joint_venture   6   6
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures   $ 77,935   $ 79,441
Number of Unconsolidated Joint Venture Lots Controlled Under Land Option Contracts | lot   454   618
Proceeds from sale of investment in unconsolidated joint venture   $ 0 $ 10,110  
Crown Farm Investor, LLC [Domain]        
Schedule of Equity Method Investments [Line Items]        
Proceeds from sale of investment in unconsolidated joint venture $ 10,100      
Equity Method Investment, Realized Gain (Loss) on Disposal $ 3,200      
Investments in Unconsolidated Joint Ventures with Debt        
Schedule of Equity Method Investments [Line Items]        
Number of investments in unconsolidated joint ventures | joint_venture   0   0