Loans Payable, Senior Notes and Mortgage Company Loan Facility Credit Facility (Details Textual 2) - USD ($) $ in Thousands	6 Months Ended
	Apr. 30, 2017	Oct. 31, 2016	May 19, 2016	Aug. 01, 2013
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,527,366
Long-term Line of Credit	$ 1,089,394
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 1,035,000
Line of Credit Facility, term of contract	5 years
Line of Credit Facility, Expiration Date	Aug. 01, 2018
May 2016 Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,295,000		$ 1,215,000
Line of Credit Facility, term of contract	5 years
Line of Credit Facility, Expiration Date	May 19, 2021
Maximum Permissible Leverage Ratio	175.00%
Minimum Net Worth Required for Compliance	$ 2,710,000
Existing Leverage Ratio	.70
Tangible Net Worth	$ 4,410,000
Ability to repurchase common stock	2,400,000
Long-term Line of Credit	0	$ 250,000
Letters of Credit Outstanding, Amount	$ 120,000
Debt Instrument, Interest Rate at Period End	2.50%
Guarantor Subsidiaries [Member]
Line of Credit Facility [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%