BASIS OF PRESENTATION - Long-Term Receivables (Details) (USD $)	3 Months Ended
	Dec. 31, 2013		Sep. 30, 2013
Notes, Loans and Financing Receivable, Gross, Noncurrent [Roll Forward]
Balance, beginning of period	$ 61,312,000	[1]
Additions: Issuance of affiliate advances and tenant loans	2,114,000
Deductions: Payments received	(804,000)
Balance, end of period	62,622,000	[1]
Interest receivable	30,400,000		29,100,000
Affiliates
Notes, Loans and Financing Receivable, Gross, Noncurrent [Roll Forward]
Balance, beginning of period	57,782,000	[1]
Additions: Issuance of affiliate advances and tenant loans	2,114,000
Deductions: Payments received	0
Balance, end of period	59,896,000	[1]
Tenants and Others
Notes, Loans and Financing Receivable, Gross, Noncurrent [Roll Forward]
Balance, beginning of period	3,530,000	[1]
Additions: Issuance of affiliate advances and tenant loans	0
Deductions: Payments received	(804,000)
Balance, end of period	$ 2,726,000	[1]

[1] Includes interest receivable of $30.4 million and $29.1 million as of December 31, 2013 and September 30, 2013, respectively. The WTG receivables no longer accrue interest pursuant to a release and reimbursement agreement entered into in September 2010.