MORTGAGE NOTES PAYABLE, BANK LINES OF CREDIT AND OTHER LOANS (Details) $ in Thousands	6 Months Ended
	Apr. 30, 2017 USD ($) Bank	Apr. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)
Line of Credit Facility [Line Items]
Repayments of borrowings on facility	$ 23,000	$ 3,000
Mortgage Loan [Member] | New Ridgeway Mortgage Loan [Member]
Line of Credit Facility [Line Items]
Forward loan commitment, face amount			$ 50,000
Interest Rate Swap [Member]
Line of Credit Facility [Line Items]
Fixed annual rate			3.398%
BNY, Wells Fargo and Bank of Montreal [Member]
Line of Credit Facility [Line Items]
Borrowing under revolving credit facility	15,000
BNY, Wells Fargo and Bank of Montreal [Member] | Unsecured Revolving Credit Agreement [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 100,000
Number of syndicated banks | Bank	3
Option, maximum borrowing capacity	$ 150,000
Extension period	1 year
Maturity date	Aug. 23, 2020
Covenant compliance	The Company was in compliance with such covenants at April 30, 2017
Repayments of borrowings on facility	$ 23,000
BNY, Wells Fargo and Bank of Montreal [Member] | Unsecured Revolving Credit Agreement [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Commitment fee	0.15%
BNY, Wells Fargo and Bank of Montreal [Member] | Unsecured Revolving Credit Agreement [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Commitment fee	0.25%
BNY, Wells Fargo and Bank of Montreal [Member] | Unsecured Revolving Credit Agreement [Member] | Eurodollar [Member]
Line of Credit Facility [Line Items]
Benchmark interest rate	Eurodollar rate
BNY, Wells Fargo and Bank of Montreal [Member] | Unsecured Revolving Credit Agreement [Member] | Eurodollar [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.35%
BNY, Wells Fargo and Bank of Montreal [Member] | Unsecured Revolving Credit Agreement [Member] | Eurodollar [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.95%
BNY, Wells Fargo and Bank of Montreal [Member] | Unsecured Revolving Credit Agreement [Member] | The Bank of New York Mellon's Prime Rate [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.35%
BNY, Wells Fargo and Bank of Montreal [Member] | Unsecured Revolving Credit Agreement [Member] | The Bank of New York Mellon's Prime Rate [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.95%
BNY, Wells Fargo and Bank of Montreal [Member] | Letter of Credit [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 10,000
Principal Mortgage [Member] | Non-recourse First Mortgage Loan [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 10,000
Fixed interest rate	3.65%
Maturity date	Mar. 01, 2025
Sterling National Bank [Member] | Non-recourse First Mortgage Loan [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 3,500
Fixed interest rate	4.64%
Maturity date	Oct. 07, 2022
First County Bank Mortgage [Member] | Non-recourse First Mortgage Loan [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 1,200
Fixed interest rate	4.75%
Maturity date	Jun. 01, 2037