Credit Facility, Loans Payable, Senior Notes, Senior Subordinated Notes and Mortgage Company Warehouse Loan (Details Textual) (USD $)	12 Months Ended
	Oct. 31, 2012	Oct. 22, 2010
Line of Credit Facility [Line Items]
Letters of Credit Outstanding, Amount	$ 83,100,000
Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		885,000,000
Line of Credit Facility Given by Number of Banks		12
Line of Credit Facility, Amount Outstanding	0
Letters of Credit Outstanding, Amount	70,100,000
Line of Credit Facility, Interest Rate During Period	2.75%
Maximum Permissible Leverage Ratio	1.75 to 1.00
Minimum Net Worth Required for Compliance	2,160,000,000
Existing Leverage Ratio	0.31 to 1.00
Tangible Net Worth	3,070,000,000
Ability to Pay Dividend and Repurchase Common Stock	$ 1,214,000,000
Commitment Fee	0.63%