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Commitments and Contingencies (Details Textual) | 12 Months Ended |
--- | --- | ---
Nov. 30, 2017 USD ($) property Home | Nov. 30, 2016 USD ($) property | Nov. 30, 2015 USD ($) property | Nov. 30, 2014 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |
Impairment of Real Estate |  | $ 20,605,000 | $ 49,580,000 | $ 8,030,000 |
Operating Leases, Rent Expense, Net |  | $ 8,100,000 | 7,500,000 | 8,500,000 |
Minimum warranty on electrical and other building systems |  | 2 years |  |  |
Maximum Warranty on Electrical Heating Cooling Plumbing and Other Building Systems |  | 5 years |  |  |
Standard Product Warranty Accrual, Payments | [1] | $ 25,336,000 | $ 23,190,000 | $ 26,367,000 |
Number of Land Parcels or Communities Associated with Non Cash Inventory Impairment Charges | property |  | 10 | 30 | 4 |
Increase (Decrease) in Self Insurance Reserve |  | $ 21,700,000 |  |  |
Insurance Recoveries |  | 23,500,000 |  |  |
Loss Contingency, Receivable, Estimated Recovery from Third Party |  | $ 11,600,000 |  |  |
Commitments and Contingencies (Textual) [Abstract] |  |  |  |  |
Structural warranty provided by the company |  | 10 years |  |  |
Warranty for other components of a home |  | 1 year |  |  |
Company's warranty liability |  | $ 69,798,000 | $ 56,682,000 | $ 49,085,000 | $ 45,196,000
Company's estimated liabilities for construction defect |  | 177,695,000 | 158,584,000 | 173,011,000 | $ 205,228,000
Expenses associated with self-insurance | [2] | 20,371,000 | 24,808,000 | 18,590,000 |
Product Warranty Accrual, Preexisting, Increase (Decrease) | [3] | 0 | (652,000) | (7,238,000) |
Performance bonds |  | 606,700,000 | 535,700,000 |  |
Letters of Credit Outstanding, Amount |  | 37,600,000 | 31,000,000 |  |
Non refundable deposits related to land option and other similar contracts |  | 64,702,000 | 42,829,000 |  |
Aggregate Purchase Price Associated with Land Option and Other Similar Contracts |  | $ 1,094,087,000 | 1,073,596,000 |  |
Damages from Product Defects [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Minimum Number of Affected Homes for Construction Defect Claims | Home |  | 2 |  |  |
Water Intrusion [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Standard Product Warranty Accrual, Payments |  |  | 2,300,000 | 8,400,000 |
Reclassification of warranty recoveries to receivables |  | $ 0 | 2,151,000 | $ 7,238,000 |
Self Insurance [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Reclassification of warranty recoveries to receivables |  | 71,300,000 | 84,500,000 |  |
Warranty and Other [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Reclassification of warranty recoveries to receivables |  | 4,100,000 | 14,600,000 |  |
Northern California Townhome Community [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Loss Contingency, Damages Sought, Value |  | 100,000,000 |  |  |
LOC Facilities [Member] |  |  |  |  |
Commitments and Contingencies (Textual) [Abstract] |  |  |  |  |
Letters of Credit Outstanding, Amount |  | $ 0 | $ 0 |  |
Line of Credit Facility, Expiration Period |  | 1 year |  |  |
[1] | Payments for 2016 and 2015 included $2.3 million and $8.4 million, respectively, to repair homes affected by water intrusion-related issues in certain of our communities in central and southwest Florida.
[2] | These expenses are included in selling, general and administrative expenses and are largely offset by contributions from independent subcontractors participating in the wrap-up policy
[3] | Adjustments for 2016 and 2015 included the reclassification of certain estimated minimum probable recoveries to receivables in connection with the above-noted water intrusion-related issues. The adjustments for each year had no impact on our consolidated statements of operations.

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