DISCONTINUED OPERATIONS (Details)	12 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2008 unit
Discontinued Operations and Disposal Groups [Abstract]
Number of units sold					11
Number of closed units					1
Number of merged units					2
Disposal group, including discontinued operation, revenue | $	$ 0	$ 0	$ 0
Disposal group, including discontinued operation, environmental and casualty insurance reserves expenses | $				$ 4,651,000