CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS (Relationship with Certain Directors, Officers, Employees and Other Related Parties) (Details) (Certain Directors, Officers, Employees and other Related Parties [Member])	12 Months Ended
	Sep. 30, 2012 partnership
Related Party Transaction [Line Items]
Number of partnerships in which the company serves as general partner	7
Carried interest received upon meeting specific investor return rates	20.00%
Carried interest earned by any individuals	0.00%
Four Partnerships [Member]
Related Party Transaction [Line Items]
Number of partnerships in which the company serves as general partner	4
Percent participation authorized from carried interest	48.50%
Number of individuals entitled to carried interest	9
Four Partnerships [Member] | Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Percent participation authorized from carried interest	10.00%
Four Partnerships [Member] | Employees [Member]
Related Party Transaction [Line Items]
Percent participation authorized from carried interest	38.50%
Number of individuals entitled to carried interest	4
Three Partnerships [Member]
Related Party Transaction [Line Items]
Number of partnerships in which the company serves as general partner	3
Percent participation authorized from carried interest	50.00%
Number of individuals entitled to carried interest	6
Three Partnerships [Member] | Employees [Member]
Related Party Transaction [Line Items]
Percent participation authorized from carried interest	50.00%
Number of individuals entitled to carried interest	5