CONCENTRATION OF MARKET AND CREDIT RISK (Tables)

12 Months Ended

Sep. 30, 2012

Risks and Uncertainties [Abstract]

Schedule of Revenue by Major Customers

Revenues from significant customers are as follows (in thousands):

	Fiscal 2012		Fiscal 2011		Fiscal 2010
Chevron Australia	$	265,731	$	199,685	$	81,577
Sarawak Shell Bhd.	44,405		138,836		84,617
Kosmos Energy Ghana Inc.	90,088		136,205		90,936
Noble Energy Inc.	137,135		—		—