0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 0000004 - Statement - Consolidated Statements of Operations (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 0000005 - Statement - Consolidated Statements of Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 0000006 - Statement - Consolidated Statements of Comprehensive Loss (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 0000007 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 0000008 - Statement - Consolidated Balance Sheets (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 0000009 - Statement - Consolidated Statements of Changes in Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 0000010 - Statement - Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 0000011 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - IMPAIRMENT CHARGES link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - EARNINGS PER SHARE link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - DETAILS OF SELECTED BALANCE SHEET ACCOUNTS link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - ASSETS HELD FOR SALE link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - ASSET RETIREMENT OBLIGATIONS link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - RETIREMENT PLANS link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - PREFERRED SHARES link:presentationLink link:calculationLink link:definitionLink 0000028 - Disclosure - COMMON SHARE REPURCHASES link:presentationLink link:calculationLink link:definitionLink 0000029 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 0000030 - Disclosure - SHARE-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 0000031 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION link:presentationLink link:calculationLink link:definitionLink 0000032 - Disclosure - ACQUISITIONS link:presentationLink link:calculationLink link:definitionLink 0000033 - Disclosure - SEGMENT AND RELATED INFORMATION link:presentationLink link:calculationLink link:definitionLink 0000034 - Disclosure - VALUATION ACCOUNTS link:presentationLink link:calculationLink link:definitionLink 0000035 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 0000036 - Disclosure - REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 0000037 - Disclosure - IMPAIRMENT CHARGES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000038 - Disclosure - EARNINGS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - DETAILS OF SELECTED BALANCE SHEET ACCOUNTS (Tables) link:presentationLink link:calculationLink link:definitionLink 0000040 - Disclosure - ASSETS HELD FOR SALE (Tables) link:presentationLink link:calculationLink link:definitionLink 0000041 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 0000044 - Disclosure - ASSET RETIREMENT OBLIGATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 0000045 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000046 - Disclosure - PREFERRED SHARES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000047 - Disclosure - SHARE-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - SEGMENT AND RELATED INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - VALUATION ACCOUNTS (Tables) link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - REVENUE - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - REVENUE - Remaining Expected Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - REVENUE - Remaining Expected Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - IMPAIRMENT CHARGES - Summary of Pre-tax Impairment Charges Included in Impairment Expense (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - IMPAIRMENT CHARGES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - FAIR VALUE MEASUREMENTS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - EARNINGS PER SHARE - Calculation of Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - EARNINGS PER SHARE - Schedule of Anti-Dilutive Shares (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - Earnings Per Share - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - DETAILS OF SELECTED BALANCE SHEET ACCOUNTS - Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 0000062 - Disclosure - DETAILS OF SELECTED BALANCE SHEET ACCOUNTS - Inventories (Details) link:presentationLink link:calculationLink link:definitionLink 0000063 - Disclosure - DETAILS OF SELECTED BALANCE SHEET ACCOUNTS - Property, Plant and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 0000064 - Disclosure - DETAILS OF SELECTED BALANCE SHEET ACCOUNTS - Accrued Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000065 - Disclosure - DETAILS OF SELECTED BALANCE SHEET ACCOUNTS - Deferred Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 0000066 - Disclosure - ASSETS HELD FOR SALE - Carrying Amount of Assets Held for Sale (Details) link:presentationLink link:calculationLink link:definitionLink 0000067 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill Rollfoward (Details) link:presentationLink link:calculationLink link:definitionLink 0000068 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000069 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000070 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Amortization Schedule (Details) link:presentationLink link:calculationLink link:definitionLink 0000071 - Disclosure - LEASES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000072 - Disclosure - LEASES - Operating Leases Supplemental Balance Sheet Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000073 - Disclosure - LEASES - Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000074 - Disclosure - DEBT - Long-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 0000074 - Disclosure - DEBT - Long-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 0000075 - Disclosure - DEBT - Long-term Debt Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 0000076 - Disclosure - DEBT - Credit Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 0000077 - Disclosure - ASSET RETIREMENT OBLIGATIONS - Asset Retirement Obligations (ARO) (Details) link:presentationLink link:calculationLink link:definitionLink 0000078 - Disclosure - ASSET RETIREMENT OBLIGATIONS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000079 - Disclosure - ASSET RETIREMENT OBLIGATIONS - Change in Asset Retirement Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 0000080 - Disclosure - RETIREMENT PLANS (Details) link:presentationLink link:calculationLink link:definitionLink 0000081 - Disclosure - INCOME TAXES - Consolidated Pre-tax Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 0000082 - Disclosure - INCOME TAXES - Components of Income Tax Provision (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 0000083 - Disclosure - INCOME TAXES - Income Tax Rate Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 0000084 - Disclosure - INCOME TAXES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000085 - Disclosure - INCOME TAXES - Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000086 - Disclosure - INCOME TAXES - NOL and Tax Credit Carryforwards (Details) link:presentationLink link:calculationLink link:definitionLink 0000087 - Disclosure - INCOME TAXES - Changes in Valuation Allowance (Details) link:presentationLink link:calculationLink link:definitionLink 0000088 - Disclosure - PREFERRED SHARES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000089 - Disclosure - PREFERRED SHARES - Dividends (Details) link:presentationLink link:calculationLink link:definitionLink 0000090 - Disclosure - COMMON SHARE REPURCHASES (Details) link:presentationLink link:calculationLink link:definitionLink 0000091 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000092 - Disclosure - SHARE-BASED COMPENSATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000093 - Disclosure - SHARE-BASED COMPENSATION - Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000094 - Disclosure - SHARE-BASED COMPENSATION - Stock Options Outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 0000095 - Disclosure - SHARE-BASED COMPENSATION - Restricted Stock Awards and Deferred Stock Awards (Details) link:presentationLink link:calculationLink link:definitionLink 0000096 - Disclosure - SHARE-BASED COMPENSATION - Phantom Share Awards Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000097 - Disclosure - SHARE-BASED COMPENSATION - Valuation Assumptions of Performance Share Awards (Details) link:presentationLink link:calculationLink link:definitionLink 0000098 - Disclosure - SHARE-BASED COMPENSATION - Performance Share Awards Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000099 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION - Cash Paid for Interest and Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 0000100 - Disclosure - ACQUISITIONS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000101 - Disclosure - SEGMENT AND RELATED INFORMATION - Financial Information by Business Segment (Details) link:presentationLink link:calculationLink link:definitionLink 0000102 - Disclosure - SEGMENT AND RELATED INFORMATION - Financial Information By Geographic Segment (Details) link:presentationLink link:calculationLink link:definitionLink 0000103 - Disclosure - VALUATION ACCOUNTS - Activity in Valuation Accounts (Details) link:presentationLink link:calculationLink link:definitionLink