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Property and Equipment, Net (Details) - USD ($)
$ in Thousands
3 Months Ended
Feb. 29, 2020
Feb. 28, 2019
Nov. 30, 2019
Property, Plant and Equipment [Abstract]      
Computer software and equipment $ 28,114   $ 27,091
Model furnishings and sales office improvements 84,624   82,117
Leasehold improvements, office furniture and equipment 16,686   16,173
Subtotal 129,424   125,381
Less accumulated depreciation (64,971)   (60,338)
Total 64,453   $ 65,043
Proceeds from sale of building $ 0 $ 5,804