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Disclosure - THE ACQUISITION - SCHEDULE OF PURCHASE CONSIDERATION PAID (Details) link:presentationLink link:calculationLink link:definitionLink 2303301 - Disclosure - THE ACQUISITION (Tables) link:presentationLink link:calculationLink link:definitionLink 2104100 - Disclosure - ACQUISITIONS, DISPOSITIONS AND OTHER TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - ACQUISITIONS, DISPOSITIONS AND OTHER TRANSACTIONS - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2404404 - Disclosure - ACQUISITIONS, DISPOSITIONS AND OTHER TRANSACTIONS - SUMMARY OF ASSETS HELD FOR SALE (Details) link:presentationLink link:calculationLink link:definitionLink 2404403 - Disclosure - ACQUISITIONS, DISPOSITIONS AND OTHER TRANSACTIONS - SUMMARY OF REVENUE AND COSTS FROM DISCONTINUED OPERATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - ACQUISITIONS, DISPOSITIONS AND OTHER TRANSACTIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1005000 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 1003501 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - Consolidated Statements of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 1004001 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 2109100 - Disclosure - DERIVATIVES link:presentationLink link:calculationLink link:definitionLink 2409405 - Disclosure - DERIVATIVES - ADDITIONAL INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 2409406 - Disclosure - DERIVATIVES - FAIR VALUE (Details) link:presentationLink link:calculationLink link:definitionLink 2409407 - Disclosure - DERIVATIVES - GAINS AND LOSSES ON DERIVATIVES (Details) link:presentationLink link:calculationLink link:definitionLink 2409403 - Disclosure - DERIVATIVES - INTEREST-RATE DERIVATIVES (Details) link:presentationLink link:calculationLink link:definitionLink 2409404 - Disclosure - DERIVATIVES - MARKETING DERIVATIVES (Details) link:presentationLink link:calculationLink link:definitionLink 2409402 - Disclosure - DERIVATIVES - SUMMARY OF DERIVATIVE INSTRUMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2309301 - Disclosure - DERIVATIVES (Tables) link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - ENVIRONMENTAL LIABILITIES AND EXPENDITURES link:presentationLink link:calculationLink link:definitionLink 2410402 - Disclosure - ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Details) link:presentationLink link:calculationLink link:definitionLink 2310301 - Disclosure - ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Tables) link:presentationLink link:calculationLink link:definitionLink 2117100 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 2417402 - Disclosure - FAIR VALUE MEASUREMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2317301 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2112100 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 2412405 - Disclosure - INCOME TAXES - COMPONENTS OF DEFERRED TAX ASSETS AND LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 2412403 - Disclosure - INCOME TAXES - COMPONENTS OF INCOME TAX EXPENSE (BENEFIT) (Details) link:presentationLink link:calculationLink link:definitionLink 2412402 - Disclosure - INCOME TAXES - DOMESTIC AND FOREIGN COMPONENTS OF INCOME (LOSS) FROM CONTINUING OPERATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2412404 - Disclosure - INCOME TAXES - EFFECTIVE TAX RATE RECONCILIATION (Details) link:presentationLink link:calculationLink link:definitionLink 2412406 - Disclosure - INCOME TAXES - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2412407 - Disclosure - INCOME TAXES - RECONCILIATION OF UNRECOGNIZED TAX BENEFITS (Details) link:presentationLink link:calculationLink link:definitionLink 2312301 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 2119100 - Disclosure - INDUSTRY SEGMENTS AND GEOGRAPHIC AREAS link:presentationLink link:calculationLink link:definitionLink 2419403 - Disclosure - INDUSTRY SEGMENTS AND GEOGRAPHIC AREAS - CORPORATE AND GEOGRAPHIC AREAS (Details) link:presentationLink link:calculationLink link:definitionLink 2419402 - Disclosure - INDUSTRY SEGMENTS AND GEOGRAPHIC AREAS - RESULTS OF OPERATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2319301 - Disclosure - INDUSTRY SEGMENTS AND GEOGRAPHIC AREAS (Tables) link:presentationLink link:calculationLink link:definitionLink 2106100 - Disclosure - INVENTORIES link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - INVENTORIES (Details) link:presentationLink link:calculationLink link:definitionLink 2306301 - Disclosure - INVENTORIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2116100 - Disclosure - INVESTMENTS AND RELATED-PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 2416402 - Disclosure - INVESTMENTS AND RELATED-PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2316301 - Disclosure - INVESTMENTS AND RELATED-PARTY TRANSACTIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 2111100 - Disclosure - LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 2411401 - Disclosure - LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES - LEGAL MATTERS (Details) link:presentationLink link:calculationLink link:definitionLink 2411402 - Disclosure - LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES - PURCHASE OBLIGATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2108100 - Disclosure - LEASE COMMITMENTS link:presentationLink link:calculationLink link:definitionLink 2408405 - Disclosure - LEASE COMMITMENTS - FUTURE UNDISCOUNTED MINIMUM PAYMENTS UNDER ASC 840 (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - LEASE COMMITMENTS - LEASE ASSETS AND LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 2408402 - Disclosure - LEASE COMMITMENTS - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2408406 - Disclosure - LEASE COMMITMENTS - OTHER INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - LEASE COMMITMENTS - SCHEDULE OF OPERATING AND FINANCE LEASE MATURITIES (Details) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - LEASE COMMITMENTS - SCHEDULE OF OPERATING AND FINANCE LEASE MATURITIES (Details) link:presentationLink link:calculationLink link:definitionLink 2308301 - Disclosure - LEASE COMMITMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - LONG-TERM DEBT link:presentationLink link:calculationLink link:definitionLink 2407404 - Disclosure - LONG-TERM DEBT - DEBT MATURITIES (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - LONG-TERM DEBT - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - LONG-TERM DEBT - SCHEDULE (Details) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - LONG-TERM DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 2115100 - Disclosure - RETIREMENT AND POSTRETIREMENT BENEFIT PLANS link:presentationLink link:calculationLink link:definitionLink 2415405 - Disclosure - RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - ASSUMPTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2415404 - Disclosure - RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - COMPONENTS OF NET PERIODIC BENEFIT COST (Details) link:presentationLink link:calculationLink link:definitionLink 2415406 - Disclosure - RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - FAIR VALUE OF PENSION PLAN ASSETS (Details) link:presentationLink link:calculationLink link:definitionLink 2415407 - Disclosure - RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - FUTURE BENEFIT PAYMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2415402 - Disclosure - RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 2415403 - Disclosure - RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - OBLIGATIONS AND FUNDED STATUS (Details) link:presentationLink link:calculationLink link:definitionLink 2315301 - Disclosure - RETIREMENT AND POSTRETIREMENT BENEFIT PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 2105100 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 2405404 - Disclosure - REVENUE - DISAGGREGATION OF REVENUE (Details) link:presentationLink link:calculationLink link:definitionLink 2405402 - Disclosure - REVENUE - IMPACT OF ADOPTION (Details) link:presentationLink link:calculationLink link:definitionLink 2405403 - Disclosure - REVENUE - RECONCILIATION (Details) link:presentationLink link:calculationLink link:definitionLink 2405405 - Disclosure - REVENUE - SCHEDULE OF EXPECTED FUTURE REVENUE (Details) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 2120100 - Schedule - Schedule II - Valuation and Qualifying Accounts link:presentationLink link:calculationLink link:definitionLink 2420401 - Schedule - Schedule II - Valuation and Qualifying Accounts (Details) link:presentationLink link:calculationLink link:definitionLink 2114100 - Disclosure - STOCK-BASED INCENTIVE PLANS link:presentationLink link:calculationLink link:definitionLink 2414402 - Disclosure - STOCK-BASED INCENTIVE PLANS (Details) link:presentationLink link:calculationLink link:definitionLink 2314301 - Disclosure - STOCK-BASED INCENTIVE PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 2113100 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 2413402 - Disclosure - STOCKHOLDERS' EQUITY (Details) link:presentationLink link:calculationLink link:definitionLink 2313301 - Disclosure - STOCKHOLDERS' EQUITY (Tables) link:presentationLink link:calculationLink link:definitionLink 2101100 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 2401409 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - ACCRUED LIABILITIES-CURRENT (Details) link:presentationLink link:calculationLink link:definitionLink 2401408 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - ASSET IMPAIRMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2401411 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - ASSET RETIREMENT OBLIGATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2401406 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - CASH (Details) link:presentationLink link:calculationLink link:definitionLink 2401405 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - CASH EQUIVALENTS AND RESTRICTED CASH EQUIVALENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2401412 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - DERIVATIVE INSTRUMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2401410 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Details) link:presentationLink link:calculationLink link:definitionLink 2401403 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - NATURE OF OPERATIONS, WES INVESTMENT AND DISCONTINUED OPERATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2201201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 2401407 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - PROPERTY, PLANT AND EQUIPMENT AND GOODWILL (Details) link:presentationLink link:calculationLink link:definitionLink 2401404 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - RISKS AND UNCERTAINTIES (Details) link:presentationLink link:calculationLink link:definitionLink 2401413 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - SUPPLEMENTAL CASH FLOW INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 2301302 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink