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COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($)
3 Months Ended
Nov. 30, 2014
Feb. 29, 2020
Feb. 28, 2019
Feb. 28, 2018
Feb. 28, 2017
Aug. 31, 2016
Commitments And Contingencies [Line Items]            
Accrual for taxes other than income taxes, Current         $ 3,900,000 $ 4,000,000
Contractual obligation         8,200,000 1,500,000
Land purchase option agreement         785,000  
Deposit that could be forfeited         50,000  
Land under purchase options, Not recorded         24,500,000  
Purchase commitment, Remaining minimum amount committed         82,000  
Provisional assessments, includes taxes, penalties and interest related to withholding taxes $ 2,500,000          
Additional provisional assessment $ 5,100,000          
Deferred tax assets, net         2,000,000  
Income taxes receivable         16,793,000 $ 16,778,000
Unknown Country [Member]            
Commitments And Contingencies [Line Items]            
Deferred tax assets, net         2,000,000  
Income taxes receivable         $ 3,500,000  
Scenario, Forecast [Member]            
Commitments And Contingencies [Line Items]            
Purchase commitment, Remaining minimum amount committed   $ 279,000 $ 372,000 $ 372,000