Credit Facility, Loans Payable, Senior Notes, and Mortgage Company Warehouse Loan (Details Textual) (USD $)	12 Months Ended
	Oct. 31, 2013
Line of Credit Facility [Line Items]
Line of Credit Facility, term of contract	364 days
Letters of Credit Outstanding, Amount	$ 89,300,000
New Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	1,035,000,000
Line of Credit Facility, term of contract	5 years
Line of Credit Facility, Number of Banks included	15
Line of Credit Facility, Expiration Date	Aug. 01, 2018
Line of credit facility, available for letters of credit	0.7500
Mortgage Loan Facility Maximum Borrowing Capacity Increased	2,000,000,000
Maximum Permissible Leverage Ratio	1.75 to 1.00
Minimum Net Worth Required for Compliance	2,280,000,000
Existing Leverage Ratio	0.49 to 1.00
Tangible Net Worth	3,280,000,000
Ability to Pay Dividends	1,000,000,000
Ability to repurchase common stock	1,490,000,000
Line of Credit Facility, Amount Outstanding	0
Letters of Credit Outstanding, Amount	$ 76,600,000