Acquisition Acquisition (Detail Textuals) (USD $)			3 Months Ended				6 Months Ended
	Apr. 30, 2014	Oct. 31, 2013	Apr. 30, 2014 Shapell [Member]	Apr. 30, 2014 Shapell [Member]	Jan. 31, 2014 Shapell [Member]	Apr. 30, 2013 Shapell [Member]	Apr. 30, 2014 Shapell [Member]	Apr. 30, 2013 Shapell [Member]	Feb. 04, 2014 Shapell [Member]	Apr. 30, 2014 New Credit Facility [Member]	Feb. 03, 2014 New Credit Facility [Member] Shapell [Member]	Feb. 03, 2014 Five year term note [Member] Shapell [Member]
Business Acquisition [Line Items]
Business Acquisition, Date of Acquisition Agreement							Feb. 04, 2014
Business Acquisition, Name of Acquired Entity							Shapell Industries, Inc.
Payments to Acquire Businesses, Gross				$ 1,600,000,000
Number of home sites included in acquisition				4,950
Business acquisition, number of selling communities				11
Number of Homes to be Delivered	4,324								126
Sales Value of Outstanding Deliver Homes	3,210,000,000								105,300,000
Line of Credit Facility, Amount Outstanding	95,000,000									95,000,000	370,000,000
Line of Credit Facility, Maximum Borrowing Capacity										1,035,000,000
Long-term Debt												485,000,000
Proceeds from (Payments for) Other Financing Activities					816,000,000
Business Combination, Acquisition Related Costs				5,100,000		0	5,900,000	0
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual			102,000,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual			$ 6,100,000