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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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Carrying amount net of impairment reserves as of the balance sheet date primarily consisting of deposits for land purchases (including option payments), related acquisition costs, and land which is not expected to be developed in the next two years.

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The net carrying amount as of the balance sheet date of the sum of the various components of an operative builder's inventory, including finished homes. Operative builders primarily consist of entities that develop land, construct residential homes and commercial and industrial buildings thereon, and sell them to home buyers and operators of the commercial and industrial properties.

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The loss recognized on termination of a contract.

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Segment Information (Segment Financial Information) (Details) (USD $)	3 Months Ended		12 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Nov. 30, 2014
Segment Reporting Information [Line Items]
Impairment of Real Estate	$ 0us-gaap_ImpairmentOfRealEstate	$ 0us-gaap_ImpairmentOfRealEstate	$ 37,600,000us-gaap_ImpairmentOfRealEstate
Inventory, Homes under Construction	956,428,000us-gaap_InventoryHomesUnderConstruction		928,272,000us-gaap_InventoryHomesUnderConstruction
Inventory, Real Estate, Land and Land Development Costs	1,732,604,000		1,710,149,000
Inventory, Land Held for Development and Sale	557,351,000		579,966,000
Inventory, Operative Builders	3,246,383,000us-gaap_InventoryOperativeBuilders		3,218,387,000us-gaap_InventoryOperativeBuilders
Revenues:
Total revenues	580,121,000us-gaap_Revenues	450,687,000us-gaap_Revenues
Pretax income (loss):
Total pretax income (loss)	10,499,000	10,763,000
Equity in income (loss) of unconsolidated joint ventures:
Equity in income (loss) of unconsolidated joint ventures	67,000	2,584,000
Assets:
Total assets	4,989,857,000us-gaap_Assets		4,757,550,000us-gaap_Assets
Investments in unconsolidated joint ventures:
Investments in unconsolidated joint ventures	73,502,000		79,441,000
Homebuilding [Member]
Revenues:
Total revenues	577,888,000	448,267,000
Pretax income (loss):
Total pretax income (loss)	8,816,000	9,201,000
Equity in income (loss) of unconsolidated joint ventures:
Equity in income (loss) of unconsolidated joint ventures	(347,000)	2,590,000
Assets:
Total assets	4,979,712,000		4,747,064,000
Financial services [Member]
Revenues:
Total revenues	2,233,000	2,420,000
Pretax income (loss):
Total pretax income (loss)	1,683,000	1,562,000
Equity in income (loss) of unconsolidated joint ventures:
Equity in income (loss) of unconsolidated joint ventures	414,000	(6,000)
Assets:
Total assets	10,145,000		10,486,000
Investments in unconsolidated joint ventures:
Investments in unconsolidated joint ventures	6,563,000		6,149,000
West Coast [Member]
Segment Reporting Information [Line Items]
Inventory, Homes under Construction	542,508,000		536,843,000
Inventory, Real Estate, Land and Land Development Costs	735,906,000		765,577,000
Inventory, Land Held for Development and Sale	285,060,000		294,060,000
West Coast [Member] \| Homebuilding [Member]
Revenues:
Total revenues	277,255,000	181,721,000
Pretax income (loss):
Total pretax income (loss)	21,854,000	18,365,000
Equity in income (loss) of unconsolidated joint ventures:
Equity in income (loss) of unconsolidated joint ventures	(220,000)	(38,000)
Assets:
Total assets	1,693,930,000		1,695,753,000
Investments in unconsolidated joint ventures:
Investments in unconsolidated joint ventures	61,745,000		59,552,000
Southwest [Member]
Segment Reporting Information [Line Items]
Inventory, Homes under Construction	73,923,000		65,647,000
Inventory, Real Estate, Land and Land Development Costs	354,578,000		334,691,000
Inventory, Land Held for Development and Sale	126,888,000		138,367,000
Southwest [Member] \| Homebuilding [Member]
Revenues:
Total revenues	65,137,000	46,115,000
Pretax income (loss):
Total pretax income (loss)	3,443,000	1,285,000
Equity in income (loss) of unconsolidated joint ventures:
Equity in income (loss) of unconsolidated joint ventures	(127,000)	(663,000)
Assets:
Total assets	594,416,000		579,201,000
Investments in unconsolidated joint ventures:
Investments in unconsolidated joint ventures	9,256,000		17,388,000
Central [Member]
Segment Reporting Information [Line Items]
Inventory, Homes under Construction	219,023,000		201,164,000
Inventory, Real Estate, Land and Land Development Costs	380,992,000		363,933,000
Inventory, Land Held for Development and Sale	22,067,000		22,957,000
Central [Member] \| Homebuilding [Member]
Revenues:
Total revenues	159,148,000	125,162,000
Pretax income (loss):
Total pretax income (loss)	10,226,000	2,776,000
Equity in income (loss) of unconsolidated joint ventures:
Equity in income (loss) of unconsolidated joint ventures	0	0
Assets:
Total assets	722,388,000		678,139,000
Investments in unconsolidated joint ventures:
Investments in unconsolidated joint ventures	0		0
Southeast [Member]
Segment Reporting Information [Line Items]
Inventory, Homes under Construction	120,974,000		124,618,000
Inventory, Real Estate, Land and Land Development Costs	261,128,000		245,948,000
Inventory, Land Held for Development and Sale	123,336,000		124,582,000
Southeast [Member] \| Homebuilding [Member]
Revenues:
Total revenues	76,348,000	95,269,000
Pretax income (loss):
Total pretax income (loss)	(9,613,000)	3,841,000
Equity in income (loss) of unconsolidated joint ventures:
Equity in income (loss) of unconsolidated joint ventures	0	3,291,000
Assets:
Total assets	539,813,000		531,011,000
Investments in unconsolidated joint ventures:
Investments in unconsolidated joint ventures	2,501,000		2,501,000
Corporate and Other [Member] \| Homebuilding [Member]
Pretax income (loss):
Total pretax income (loss)	(17,094,000)	(17,066,000)
Assets:
Total assets	1,429,165,000		1,262,960,000
Land Option Contract Abandonment [Member]
Segment Reporting Information [Line Items]
Loss on Contract Termination	448,000	433,000
Land Option Contract Abandonment [Member] \| West Coast [Member]
Segment Reporting Information [Line Items]
Loss on Contract Termination	0	0
Land Option Contract Abandonment [Member] \| Southwest [Member]
Segment Reporting Information [Line Items]
Loss on Contract Termination	0	0
Land Option Contract Abandonment [Member] \| Central [Member]
Segment Reporting Information [Line Items]
Loss on Contract Termination	0	433,000
Land Option Contract Abandonment [Member] \| Southeast [Member]
Segment Reporting Information [Line Items]
Loss on Contract Termination	$ 448,000	$ 0