0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - COMPANY BACKGROUND link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - DISCONTINUED OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - EARNINGS PER SHARE link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - CASH, CASH EQUIVALENTS AND RESTRICTED CASH link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - INVENTORY AND LONG-TERM PARTS INVENTORY link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - OTHER LONG-TERM DEFERRED REVENUE link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - FINANCIAL INFORMATION FOR SUBSIDIARY GUARANTORS OF POSSIBLE FUTURE PUBLIC DEBT link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - ASSET RETIREMENT OBLIGATION link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - COMPENSATION PLANS link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - FAIR VALUE link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - BUSINESS SEGMENTS link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Revenue from Contract with Customer (Policies) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - DISCONTINUED OPERATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - EARNINGS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - CASH, CASH EQUIVALENTS AND RESTRICTED CASH (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - INVENTORY AND LONG-TERM PARTS INVENTORY (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - OTHER LONG-TERM DEFERRED REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - ASSET RETIREMENT OBLIGATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - COMPENSATION PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - FAIR VALUE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - BUSINES SEGMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - COMPANY BACKGROUND (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - DISCONTINUED OPERATIONS (Assets and Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - DISCONTINUED OPERATIONS (Income Statements) (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - DISCONTINUED OPERATIONS (Income Statements) (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - DISCONTINUED OPERATIONS (Contract Balances) (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - EARNINGS PER SHARE (Schedule of Calculation of Basic and Diluted Earnings Per Share) (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - EARNINGS PER SHARE (Schedule of Anti-Dilutive Shares) (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - CASH, CASH EQUIVALENTS AND RESTRICTED CASH (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - INVENTORY AND LONG-TERM PARTS INVENTORY (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - INVENTORY AND LONG-TERM PARTS INVENTORY (Summary of Inventory) (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES (Schedule of Property, Plant, Equipment, and Mineral Properties) (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES (Schedule of Depreciation, Depletion, and Accretion) (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - OTHER LONG-TERM DEFERRED REVENUE (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - DEBT (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - DEBT SCHEDULE OF INTEREST EXPENSE (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - INTANGIBLE ASSETS (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - FINANCIAL INFORMATION FOR SUBSIDIARY GUARANTORS OF POSSIBLE FUTURE PUBLIC DEBT (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - ASSET RETIREMENT OBLIGATION (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - ASSET RETIREMENT OBLIGATION (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - ASSET RETIREMENT OBLIGATION (Schedule of Changes to Asset Retirement Obligation) (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - REVENUE (Disaggregation of Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - COMPENSATION PLANS (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - COMPENSATION PLANS (Schedule of Restricted Share Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - COMPENSATION PLANS (Schedule of Performance Stock Units Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - COMPENSATION PLANS (Schedule of Market-Based Restricted Stock Units Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - COMPENSATION PLANS (Summary of Stock Option Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - INCOME TAXES (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - COMMITMENTS AND CONTINGENCIES (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - COMMITMENTS AND CONTINGENCIES (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - COMMITMENTS AND CONTINGENCIES (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - COMMITMENTS AND CONTINGENCIES (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - FAIR VALUE (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - FAIR VALUE (Held-to-Maturity Investments) (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - BUSINESS SEGMENTS (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - BUSINESS SEGMENT (Information by Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - BUSINESS SEGMENTS (Segment Reconciliation) (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - BUSINESS SEGMENTS (Cost of Goods Sold) (Details) link:presentationLink link:calculationLink link:definitionLink