Loans Payable, Senior Notes and Mortgage Company Loan Facility Credit Facility (Details Textual 2) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2021	Oct. 31, 2020
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,199,135
Long-term Line of Credit	1,449,662
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	$ 2,100,000
Existing Leverage Ratio	0.57
Tangible Net Worth	$ 4,720,000
Ability to repurchase common stock	3,660,000
Ability to pay dividends	2,620,000
Long-term Line of Credit	0
Letters of Credit Outstanding, Amount	$ 120,200
Debt Instrument, Interest Rate at Period End	1.32%
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%