Loans Payable, Senior Notes, and Mortgage Company Loan Facility Credit Facility (Details Textual 2) $ in Thousands	12 Months Ended
	Oct. 31, 2018 USD ($)
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,493,122
Ability to pay dividends	2,220,000
Long-term line of credit	1,154,265
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
Line of Credit Facility, Expiration Date	May 19, 2021
Line of credit facility, available for letters of credit	50.00%
Line of Credit Facility Contingent Increase To Maximum Borrowing Capacity	$ 2,000,000
Debt Instrument, Interest Rate, Effective Percentage	3.80%
Maximum Permissible Leverage Ratio	175.00%
Minimum Net Worth Required for Compliance	$ 2,500,000
Existing Leverage Ratio	.54
Tangible Net Worth	$ 4,720,000
Ability to repurchase common stock	2,410,000
Long-term line of credit	0
Letters of Credit Outstanding, Amount	$ 165,400
Guarantor Subsidiaries [Member]
Line of Credit Facility [Line Items]
Subsidiary of Company, Ownership Percentage by Parent	100.00%