|**SUBSEQUENT EVENTS**            | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       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|**Subsequent Events [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Subsequent Events [Text Block]   | SUBSEQUENT EVENTSIssuance of 7.75% Senior Notes Due 2022OnOctober 3, 2012, we issued$500 millionaggregate principal amount of7.75%senior notes dueOctober 15, 2022, in a private placement.  The offer and sale of the senior notes were not registered under the Securities Act; however, we have agreed to file a registration statement with the SEC relating to an offer to exchange the 2022 Senior Notes for registered notes with substantially identical terms. In addition, we have agreed, in certain circumstances, to file a shelf registration statement covering the resale of the 2022 Senior Notes by holders. If the exchange offer is not completed (or, if required, the shelf registration statement is not declared effective or does not automatically become effective) on or before the 360th day following the issuance date of the 2022 Senior Notes, then we will pay liquidated damages to all holders of notes with the effect that the annual interest rate borne by the notes will be increased by one percentage point (1.0%) until the exchange offer is completed or the registration statement is declared effective (or becomes automatically effective). The proceeds from the issuance of the notes, after the initial purchasers' commissions and estimated offering expenses, were used to fund the redemption of our 2018 Senior Notes, repay a portion of the amount outstanding under our revolving credit facility and for general corporate purposes. We expect to capitalize approximately$11 millionin costs associated with the issuance of the 2022 Senior Notes and will amortize these costs as interest expense over the life of the notes using the effective interest method.The 2022 Senior Notes accrue interest from the date of issuance and interest is payable semi-annually in arrears onApril 15andOctober 15, commencing onApril 15, 2013.  The 2022 Senior Notes are senior unsecured obligations and rank senior in right of payment to any of our future indebtedness that is expressly subordinated to the notes. The 2022 Senior Notes rank equally in right of payment with all our existing and future senior indebtedness and rank effectively junior in right of payment to all of our secured indebtedness (to the extent of the value of the collateral securing such indebtedness), including borrowings under our revolving credit facility.At any time prior toOctober 15, 2017, we may redeem all or part of the 2022 Senior Notes at a make-whole price set forth in the indenture, and on or afterOctober 15, 2017, we may redeem the notes at fixed redemption prices, plus accrued and unpaid interest, if any, to the date of redemption.At any time prior toOctober 15, 2015, we may redeem up to 35% of the outstanding 2022 Senior Notes with proceeds from certain equity offerings at a redemption price of 107.75% of the principal amount of the notes redeemed, plus accrued and unpaid interest, as long as:•at least 65% of the aggregate principal amount of the notes issued on October 3, 2012 remains outstanding after each such redemption; and•the redemption occurs within 180 days after the closing of the equity offering.Additionally, upon the occurrence of a "change of control" as defined in the indenture for the 2022 Senior Notes, holders will have the right to require us to repurchase all or a portion of the notes at a price equal to 101% of the aggregate principal amount of the notes repurchased, together with any accrued and unpaid interest to the date of purchase. In connection with certain asset sales, we will be required to use the net cash proceeds of the asset sale to make an offer to purchase the notes at 100% of the principal amount, together with any accrued and unpaid interest to the date of purchase.The indenture governing the 2022 Senior Notes contains covenants that, among other things, limit our ability and the ability of our subsidiaries to incur additional indebtedness; pay dividends or make distributions on our stock; purchase or redeem stock or subordinated indebtedness; make certain investments; create certain liens; restrict dividends or other payments by restricted subsidiaries; enter into transactions with affiliates; sell assets; and merge or consolidate with another company.Redemption of 12% Senior Notes Due 2018OnOctober 3, 2012, we issued a notice to redeem onNovember 2, 2012the entire$203 millionprincipal amount of the 2018 Senior Notes for a total redemption price of approximately$222 million, including an$18.9 millionmake-whole premium. The make-whole provision was based upon terms set forth in the related indenture.In connection with the redemption of the 2018 Senior Notes, the$18.9 millionmake-whole premium, remaining unamortized debt discount of$1.5 millionand unamortized debt issuance costs of$2.9 millionwill be recognized as a$23.3 millionpre-tax loss on debt extinguishment in the consolidated statement of operations during the fourth quarter.Redetermination of Revolving Credit FacilityOnOctober 31, 2012, the semi-annual redetermination of our revolving credit facility's borrowing base was completed. Our available borrowing base was reduced from$525 millionto$450 millionas a result of the 2022 Senior Notes issuance.
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|•                                | at least 65% of the aggregate principal amount of the notes issued on October 3, 2012 remains outstanding after each such redemption; and                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            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|•                                | the redemption occurs within 180 days after the closing of the equity offering.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      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