Consolidated Statements of Operations and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Revenues	$ 3,911,602us-gaap_HomeBuildingRevenue	$ 2,674,299us-gaap_HomeBuildingRevenue	$ 1,882,781us-gaap_HomeBuildingRevenue
Cost of revenues	3,081,837us-gaap_HomeBuildingCosts	2,133,300us-gaap_HomeBuildingCosts	1,532,095us-gaap_HomeBuildingCosts
Selling, general and administrative	432,516	339,932	287,257
Total	3,514,353us-gaap_CostsAndExpenses	2,473,232us-gaap_CostsAndExpenses	1,819,352us-gaap_CostsAndExpenses
Income from operations	397,249us-gaap_OperatingIncomeLoss	201,067us-gaap_OperatingIncomeLoss	63,429us-gaap_OperatingIncomeLoss
Other:
Income from unconsolidated entities	41,141	14,392	23,592
Other income - net	66,192us-gaap_OtherNonoperatingIncomeExpense	52,238us-gaap_OtherNonoperatingIncomeExpense	25,921us-gaap_OtherNonoperatingIncomeExpense
Income before income taxes	504,582	267,697	112,942
Income tax provision (benefit)	164,550us-gaap_IncomeTaxExpenseBenefit	97,091us-gaap_IncomeTaxExpenseBenefit	(374,204)us-gaap_IncomeTaxExpenseBenefit
Net income	340,032us-gaap_NetIncomeLoss	170,606us-gaap_NetIncomeLoss	487,146us-gaap_NetIncomeLoss
Other comprehensive (loss) income, net of tax:
Change in pension liability	(677)	2,334	(1,839)
Change in fair value of available-for-sale securities	3	(186)	476
Change in unrealized income (loss) on derivative held by equity investee	223	284	(554)
Other comprehensive (loss) income	(451)	2,432	(1,917)
Total comprehensive income	$ 339,581us-gaap_ComprehensiveIncomeNetOfTax	$ 173,038us-gaap_ComprehensiveIncomeNetOfTax	$ 485,229us-gaap_ComprehensiveIncomeNetOfTax
Income per share:
Basic	$ 1.91us-gaap_EarningsPerShareBasic	$ 1.01us-gaap_EarningsPerShareBasic	$ 2.91us-gaap_EarningsPerShareBasic
Diluted	$ 1.84us-gaap_EarningsPerShareDiluted	$ 0.97us-gaap_EarningsPerShareDiluted	$ 2.86us-gaap_EarningsPerShareDiluted
Weighted average number of shares:
Basic	177,578	169,288	167,346
Diluted	185,875	177,963	170,154

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