Loans Payable, Senior Notes and Mortgage Company Loan Facility Credit Facility (Details Textual 2) - USD ($) $ in Thousands	9 Months Ended
	Jul. 31, 2017	Oct. 31, 2016
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,532,906
Long-term Line of Credit	1,143,321
May 2016 Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,295,000
Line of Credit Facility, term of contract	5 years
Maximum Permissible Leverage Ratio	175.00%
Minimum Net Worth Required for Compliance	$ 2,720,000
Existing Leverage Ratio	.67
Tangible Net Worth	$ 4,490,000
Ability to repurchase common stock	2,400,000
Long-term Line of Credit	0	$ 250,000
Letters of Credit Outstanding, Amount	$ 146,500
Debt Instrument, Interest Rate at Period End	2.74%
Guarantor Subsidiaries [Member]
Line of Credit Facility [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%