Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Nov. 30, 2014	Nov. 30, 2013
Assets
Cash and cash equivalents	$ 358,768	$ 532,523
Restricted cash	27,235	41,906
Receivables	125,488us-gaap_AccountsAndNotesReceivableNet	75,749us-gaap_AccountsAndNotesReceivableNet
Inventories	3,218,387us-gaap_InventoryOperativeBuilders	2,298,577us-gaap_InventoryOperativeBuilders
Investments in unconsolidated joint ventures	79,441	130,192
Deferred tax assets, net	825,232us-gaap_DeferredTaxAssetsLiabilitiesNet	0us-gaap_DeferredTaxAssetsLiabilitiesNet
Other assets	114,915us-gaap_OtherAssets	107,076us-gaap_OtherAssets
Total assets	4,757,550us-gaap_Assets	3,193,635us-gaap_Assets
Liabilities and stockholders' equity
Accounts payable	172,716	148,282
Accrued expenses and other liabilities	409,882	356,176
Notes payable	2,576,525us-gaap_NotesAndLoansPayable	2,150,498us-gaap_NotesAndLoansPayable
Financial services	2,517us-gaap_FinancialServicesLiabilities	2,593us-gaap_FinancialServicesLiabilities
Stockholders' equity:
Preferred stock - $1.00 par value; authorized 10,000,000 shares; none issued	0us-gaap_PreferredStockValue	0us-gaap_PreferredStockValue
Common stock — $1.00 par value; 290,000,000 shares authorized at November 30, 2014 and 2013; 115,386,512 and 115,296,395 shares issued at November 30, 2014 and 2013, respectively	115,387us-gaap_CommonStockValue	115,296us-gaap_CommonStockValue
Paid-in capital	668,857	788,893
Retained earnings	1,391,256	481,889
Accumulated other comprehensive loss	(21,008)	(17,516)
Grantor stock ownership trust, at cost: 10,335,461 and 10,501,844 shares at November 30, 2014 and 2013, respectively	(112,106)	(113,911)
Treasury stock, at cost: 13,097,140 and 21,050,023 shares at November 30, 2014 and 2013, respectively	(446,476)us-gaap_TreasuryStockValue	(718,565)us-gaap_TreasuryStockValue
Total stockholder's equity	1,595,910us-gaap_StockholdersEquity	536,086us-gaap_StockholdersEquity
Total liabilities and stockholders' equity	4,757,550	3,193,635
Homebuilding [Member]
Assets
Cash and cash equivalents	356,366	530,095
Total assets	4,747,064	3,183,595
Liabilities and stockholders' equity
Total Homebuilding	3,159,123	2,654,956
Financial services [Member]
Assets
Cash and cash equivalents	2,402	2,428
Receivables	1,738	2,084
Investments in unconsolidated joint ventures	6,149	5,490
Other assets	197	38
Total assets	$ 10,486	$ 10,040

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