SUBSEQUENT EVENTS (Details) shares in Millions						6 Months Ended	9 Months Ended
	Nov. 09, 2015 USD ($)	Oct. 22, 2015 USD ($) item shares	Oct. 15, 2015 USD ($)	Aug. 28, 2015	May. 22, 2015 USD ($)	Mar. 31, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Apr. 01, 2017	Jun. 30, 2016
First Lien Credit Facility Amendment and Additional Draw Down of Funds
Draw downs from additional borrowings							$ 189,559,000	$ 371,599,000
Subsequent Event
Management
Total retention expense						$ 1,600,000
Mr. Stewart skelly, the then-current Vice President and CFO | Subsequent Event
Management
Lump sum payment			$ 275,000
Medical care coverage period pursuant to the terms of retention and severance agreement			9 months
Credit Facility | The "First Lien Credit Facility"
Second Lien Credit Facility, Senior Notes Exchange and Issuance of Common Stock
Term of loan					5 years
Borrowing capacity					$ 250,000,000
Accrued interest							$ 0
First Lien Credit Facility Amendment and Additional Draw Down of Funds
Draw downs from additional borrowings	$ 15,000,000
Additional borrowing capacity					30,000,000
Credit Facility | The "First Lien Credit Facility" | Subsequent Event
First Lien Credit Facility Amendment and Additional Draw Down of Funds
Lenders approval limit for sale of assets and reinvestment of proceeds back		$ 1,000,000
Maximum duration for delivery of compliance certificate		25 days
Draw downs from additional borrowings		$ 10,000,000
Delayed drawings		$ 15,000,000
Liquidity
Covenant ratio threshold									5.0	5.5
Credit Facility | The "Second Lien Credit Facility" | Subsequent Event
Second Lien Credit Facility, Senior Notes Exchange and Issuance of Common Stock
Term of loan		5 years
Borrowing capacity		$ 51,000,000
Interest rate (as a percent)		12.00%
Outstanding balance	$ 51,000,000
Credit Facility | The "Second Lien Credit Facility" | Subsequent Event | Beginning with April 20, 2016
Second Lien Credit Facility, Senior Notes Exchange and Issuance of Common Stock
Number of semi annual interest payment dates | item		3
Semi-annual interest may elect (as a percent)		6.00%
Credit Facility | The "Second Lien Credit Facility" | Subsequent Event | Beginning with October 20, 2017 and ending October 20, 2018
Second Lien Credit Facility, Senior Notes Exchange and Issuance of Common Stock
Number of semi annual interest payment dates | item		3
Credit Facility | The "Second Lien Credit Facility" | Subsequent Event | Beginning with October 20, 2017 and ending October 20, 2018 | Maximum
Second Lien Credit Facility, Senior Notes Exchange and Issuance of Common Stock
Semi-annual interest may elect (as a percent)		1.50%
Senior Notes.
Second Lien Credit Facility, Senior Notes Exchange and Issuance of Common Stock
Interest rate (as a percent)							9.00%
Certain Lenders | Credit Facility | The "First Lien Credit Facility"
Second Lien Credit Facility, Senior Notes Exchange and Issuance of Common Stock
Borrowing capacity					172,500,000
Amount of Lien Credit Facility exchanged from Senior Notes					45,230,000
First Lien Credit Facility Amendment and Additional Draw Down of Funds
Additional borrowing capacity					30,000,000
Certain Lenders | Credit Facility | The "Second Lien Credit Facility" | Subsequent Event
Second Lien Credit Facility, Senior Notes Exchange and Issuance of Common Stock
Borrowing capacity		$ 11,000,000
Certain Lenders | Senior Notes.
Second Lien Credit Facility, Senior Notes Exchange and Issuance of Common Stock
Face Value of Senior Notes exchanged to Lien Credit Facility					$ 69,590,000
Certain Holders | Credit Facility | The "Second Lien Credit Facility" | Subsequent Event
Second Lien Credit Facility, Senior Notes Exchange and Issuance of Common Stock
Amount of Lien Credit Facility exchanged from Senior Notes		40,100,000
Certain Holders | Senior Notes. | Subsequent Event
Second Lien Credit Facility, Senior Notes Exchange and Issuance of Common Stock
Face Value of Senior Notes exchanged to Lien Credit Facility		$ 63,100,000
Number of common stocks issued for conversion of debt | shares		4
Named executive officers located in the Company's New York City office | Subsequent Event
Management
Cash benefits payable associates with relocation of headquarters and office			$ 1,000,000
Interest in certain deep rights associated with former leases in the Atlantic Rim area | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Wyoming Purchase and Sale Agreement Amendment and Extension
Sale of undivided interest in the operated deep rights (as in percent)				30.00%