LONG-TERM DEBT (Details) CAD in Thousands	1 Months Ended	3 Months Ended	9 Months Ended
	Oct. 31, 2014 USD ($) parcel	Jun. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2015 CAD	Jun. 30, 2015 USD ($)	Mar. 31, 2015 CAD	Sep. 30, 2014 USD ($)
Long-term debt
Long-term debt					$ 8,454,000		$ 11,099,000
Less: current portion					(3,654,000)		(4,449,000)
Total long-term debt					4,800,000		6,650,000
Long-term debt, additional disclosures
Note receivable					906,000		0
Investment in land
Long-term debt, additional disclosures
Number of residential parcels sold | parcel	1
Canadian revolving credit facility
Long-term debt
Long-term debt					4,800,000		7,000,000
Long-term debt, additional disclosures
Maximum borrowing capacity				CAD 6,500	5,211,000	CAD 11,800
Letters of Credit Outstanding, Amount					$ 36,000
Repayments of lines of credit		$ 200,000	$ 2,200,000
Foreign currency transaction loss		$ 11,000	$ 157,000
Interest rate on the facility (as a percent)				2.69%	2.69%
Standby fee (as a percent)			0.625%
Renewal period with no required debt repayments			1 year
Period of term loan if credit facility term date is not extended			2 years
Line of Credit Facility Required Debt Repayments on Renewal for Specified Period			$ 0
Repayment schedule if the facility is converted to a two-year term loan
Percentage of outstanding loan balance to be repaid in first year of the term period			20.00%
Percentage of outstanding loan balance to be repaid per quarter in first year of the term period			5.00%
Percentage of outstanding loan balance to be repaid in second year of the term period			80.00%
Percentage of outstanding loan balance to be repaid per quarter for first three quarters in second year of the term period			5.00%
Percentage of outstanding loan balance to be repaid in the final quarter of the second year of the term period			65.00%
Canadian revolving credit facility | London Interbank Offered Rate (LIBOR)
Long-term debt, additional disclosures
Basis spread on variable rate (as a percent)			2.50%
Canadian revolving credit facility | Base Rate
Long-term debt, additional disclosures
Basis spread on variable rate (as a percent)			1.50%
Canadian revolving credit facility | Prime Rate
Long-term debt, additional disclosures
Basis spread on variable rate (as a percent)			1.50%
Real estate loan
Long-term debt
Long-term debt					$ 3,654,000		$ 4,099,000
Long-term debt, additional disclosures
Interest rate (as a percent)				3.59%	3.59%
Restricted Cash and Investments					$ 275,000
Real estate loan | Investment in land
Long-term debt, additional disclosures
Number of residential parcels sold | parcel	1
Note receivable	$ 907,000
Debt repaid as a result of the sale of one of the residential parcels	$ 266,000