COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Sep. 30, 2013

Estimated Future Minimum Lease Payments Under Operating Leases

Minimum lease payments are recognized as rental expense on a straight-line basis over the minimum lease term. Estimated future minimum lease payments under operating leases as of September 30, 2013, are as follows:

Years ending September 30:
2014	$	1,192
2015		1,163
2016		1,158
2017		1,170
2018		709
Thereafter		53
Total	$	5,445

Summary of Our Environmental Reserve Activity

A summary of our environmental reserve activity for the year ended September 30, 2013, is shown below:

Balance, September 30, 2012	$	16,754
Expenditures		(4,807	)
Balance, September 30, 2013	$	11,947