Commitments and Contingencies (Details Textual) $ in Thousands		3 Months Ended	12 Months Ended
		Nov. 30, 2014 USD ($) community Home	Nov. 30, 2015 USD ($) property Home	Nov. 30, 2014 USD ($) community property Home		Nov. 30, 2013 USD ($) property Home		Nov. 30, 2012 USD ($)
Loss Contingencies [Line Items]
Impairment of Real Estate		$ 34,200	$ 8,030	$ 37,628		$ 391
Operating Leases, Rent Expense, Net			$ 8,500	7,700		6,500
Minimum warranty on electrical and other building systems			2 years
Standard Product Warranty Accrual, Payments			$ 26,367	$ 39,458		$ 45,338
Number of Affected Attached Home Communities | community		1		1
Number of Land Parcels or Communities Associated with Non Cash Inventory Impairment Charges | property			4	8		1
Product Warranty Accrual, Period Increase (Decrease)						$ 32,000
Maximum Warranty on Electrical Heating Cooling Plumbing and Other Building Systems			5 years
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		$ 45,196	$ 49,085	$ 45,196		48,704		$ 47,822
Company's estimated liabilities for construction defect		86,574	82,175	86,574		92,214		$ 93,349
Expenses associated with self-insurance			18,590	13,491	[1]	8,239	[1]
Product Warranty Accrual, Preexisting, Increase (Decrease)	[2]		(7,238)	(17,471)		(31,959)
Performance bonds		541,600	565,400	541,600
Letters of Credit Outstanding, Amount		26,700	33,400	26,700
Non refundable deposits related to land option and other similar contracts		33,059	54,537	33,059
Letters of credit		100	0	100
Aggregate Purchase Price Associated with Land Option and Other Similar Contracts		958,470	1,187,707	958,470
Water Intrusion [Member]
Loss Contingencies [Line Items]
Product Liability Accrual, Component Amount		$ 9,400	$ 2,200	$ 9,400		$ 28,900
Number of Affected Homes on which Repairs Were Resolved | Home			356	536		754
Number of Affected Homes | Home		324	69	324		710
Accumulated Number of Affected Homes | Home			1,715
Accumulated Number of affected homes on which repairs were resolved. | Home			1,646
Cumulative Payments Made As Repair Costs For Affected Homes			$ 71,700
Standard Product Warranty Accrual, Payments			8,400	$ 26,600		$ 32,700
Estimated Repair Costs for Affected Homes			73,900
Insurance Recoveries			$ 7,000	$ 900
Additional Number of Affected Homes Associated with Repair Costs | Home			101	150
Product Liability Contingency, Third Party Recovery			$ 20,600	$ 26,600
Product Liability Contingency, Third Party Recovery Included In Warranty Liability			2,200	9,400		19,400
Commitments and Contingencies (Textual) [Abstract]
Loss Contingency, Receivable		$ 18,110	$ 7,238	$ 18,110		$ 0
Palm River [Member] | Water Intrusion [Member]
Loss Contingencies [Line Items]
Number of Affected Attached Home Communities | community		1		1

[1] 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.

[2] As discussed below, adjustments in 2015 and 2014 were primarily comprised of the reclassification of estimated minimum probable recoveries to receivables. Adjustments in 2014 also included a reclassification of estimated minimum probable recoveries to establish a separate accrual for a water intrusion-related inquiry. Adjustments in 2013 were comprised of charges associated with water intrusion-related issues in central and southwest Florida.