Loans Payable, Senior Notes and Mortgage Company Loan Facility Credit Facility (Details Textual 2) - USD ($) $ in Thousands	6 Months Ended
	Apr. 30, 2021	Oct. 31, 2020
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,399,208
Long-term Line of Credit	1,648,967
Oct 2019 Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,905,000
Debt Instrument, Term	5 years
Maximum Permissible Leverage Ratio	175.00%
Minimum Net Worth Required for Compliance	$ 2,150,000
Existing Leverage Ratio	0.56
Tangible Net Worth	$ 4,850,000
Ability to repurchase common stock	3,740,000
Ability to pay dividends	2,700,000
Long-term Line of Credit	0
Letters of Credit Outstanding, Amount	$ 114,900
Debt Instrument, Interest Rate at Period End	1.46%
Oct 2020 Revolving Credit Facility Extension Agreement
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 1,850,000
Guarantor Subsidiaries [Member]
Line of Credit Facility [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%