000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Statements of Operations link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Statements of Comprehensive Loss link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Statements of Comprehensive Loss (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Balance Sheets link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Balance Sheets (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Changes in Shareholders' Equity link:calculationLink link:definitionLink link:presentationLink 007 - Statement - Consolidated Statements of Changes in Shareholders' Equity (Shares) link:calculationLink link:definitionLink link:presentationLink 008 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 1 - Description of Business and Basis of Presentation link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 2 - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 3 - Impairment Charges link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 4 - Fair Value Measurements link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 5 - Details of Selected Balance Sheet Accounts link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 6 - Earnings Per Share link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 7 - Assets Held for Sale link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 8 - Supplemental Cash Flow Information link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 9 - Other Intangible Assets link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 10 - Debt link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 11 - Retirement Plans link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 12 - Asset Retirement Obligations link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 13 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 14 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note 15 - Accumulated Other Comprehensive Loss link:calculationLink link:definitionLink link:presentationLink 024 - Disclosure - Note 16 - Share Based Compensation link:calculationLink link:definitionLink link:presentationLink 025 - Disclosure - Note 17 - Segment and Related Information link:calculationLink link:definitionLink link:presentationLink 026 - Document - Note 18 - Valuation Accounts link:calculationLink link:definitionLink link:presentationLink 027 - Disclosure - Note 19 - Quarterly Financial Information (Unaudited) link:calculationLink link:definitionLink link:presentationLink 028 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 029 - Disclosure - Note 3 - Impairment Charges (Tables) link:calculationLink link:definitionLink link:presentationLink 030 - Disclosure - Note 5 - Details of Selected Balance Sheet Accounts (Tables) link:calculationLink link:definitionLink link:presentationLink 031 - Disclosure - Note 6 - Earnings Per Share (Tables) link:calculationLink link:definitionLink link:presentationLink 032 - Disclosure - Note 7 - Assets Held for Sale (Tables) link:calculationLink link:definitionLink link:presentationLink 033 - Disclosure - Note 8 - Supplemental Cash Flow Information (Tables) link:calculationLink link:definitionLink link:presentationLink 034 - Disclosure - Note 9 - Other Intangible Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 035 - Disclosure - Note 10 - Debt (Tables) link:calculationLink link:definitionLink link:presentationLink 036 - Disclosure - Note 12 - Asset Retirement Obligations (Tables) link:calculationLink link:definitionLink link:presentationLink 037 - Disclosure - Note 13 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 038 - Disclosure - Note 14 - Commitments and Contingencies (Tables) link:calculationLink link:definitionLink link:presentationLink 039 - Disclosure - Note 16 - Share Based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 040 - Disclosure - Note 17 - Segment and Related Information (Tables) link:calculationLink link:definitionLink link:presentationLink 041 - Disclosure - Note 18 - Valuation Accounts (Tables) link:calculationLink link:definitionLink link:presentationLink 042 - Disclosure - Note 19 - Quarterly Financial Information (Unaudited) (Tables) link:calculationLink link:definitionLink link:presentationLink 043 - Disclosure - Note 1 - Description of Business and Basis of Presentation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 044 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 045 - Disclosure - Note 3 - Impairment Charges (Details Textual) link:calculationLink link:definitionLink link:presentationLink 046 - Disclosure - Note 3 - Impairment Charges - Summary of Pre-tax Impairment Charges Included in Impairment Expense (Details) link:calculationLink link:definitionLink link:presentationLink 047 - Disclosure - Note 5 - Details of Selected Balance Sheet Accounts (Details Textual) link:calculationLink link:definitionLink link:presentationLink 048 - Disclosure - Note 5 - Details of Selected Balance Sheet Accounts - Accounts Receivable (Details) link:calculationLink link:definitionLink link:presentationLink 049 - Disclosure - Note 5 - Details of Selected Balance Sheet Accounts - Inventories (Details) link:calculationLink link:definitionLink link:presentationLink 050 - Disclosure - Note 5 - Details of Selected Balance Sheet Accounts - Property, Plant and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 051 - Disclosure - Note 5 - Details of Selected Balance Sheet Accounts - Accrued Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 052 - Disclosure - Note 6 - Earnings Per Share (Details Textual) link:calculationLink link:definitionLink link:presentationLink 053 - Disclosure - Note 6 - Earnings Per Share - Calculation of Earnings Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 054 - Disclosure - Note 7 - Assets Held for Sale (Details Textual) link:calculationLink link:definitionLink link:presentationLink 055 - Disclosure - Note 7 - Assets Held for Sale - Carrying Amount of Assets Held for Sale (Details) link:calculationLink link:definitionLink link:presentationLink 056 - Disclosure - Note 8 - Supplemental Cash Flow Information - Cash Paid for Interest and Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 057 - Disclosure - Note 9 - Other Intangible Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 058 - Disclosure - Note 9 - Other Intangible Assets - Intangible Assets (Details) link:calculationLink link:definitionLink link:presentationLink 059 - Disclosure - Note 10 - Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 060 - Disclosure - Note 10 - Debt - Long-term Debt (Details) link:calculationLink link:definitionLink link:presentationLink 061 - Disclosure - Note 10 - Debt - Long-term Debt (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 062 - Disclosure - Note 10 - Debt - Long-term Debt Maturities (Details) link:calculationLink link:definitionLink link:presentationLink 063 - Disclosure - Note 10 - Debt - Changes to Maximum Leverage Ratio (Details) link:calculationLink link:definitionLink link:presentationLink 064 - Disclosure - Note 11 - Retirement Plans (Details Textual) link:calculationLink link:definitionLink link:presentationLink 065 - Disclosure - Note 12 - Asset Retirement Obligations (Details Textual) link:calculationLink link:definitionLink link:presentationLink 066 - Disclosure - Note 12 - Asset Retirement Obligations - Asset Retirement Obligations (ARO) (Details) link:calculationLink link:definitionLink link:presentationLink 067 - Disclosure - Note 12 - Asset Retirement Obligations - Change in Asset Retirement Obligations (Details) link:calculationLink link:definitionLink link:presentationLink 068 - Disclosure - Note 13 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 069 - Disclosure - Note 13 - Income Taxes - Consolidated Pre-tax Income (Loss) (Details) link:calculationLink link:definitionLink link:presentationLink 070 - Disclosure - Note 13 - Income Taxes - Components of Income Tax Provision (Benefit) (Details) link:calculationLink link:definitionLink link:presentationLink 071 - Disclosure - Note 13 - Income Taxes - Income Tax Rate Reconciliation (Details) link:calculationLink link:definitionLink link:presentationLink 072 - Disclosure - Note 13 - Income Taxes - Deferred Tax Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 073 - Disclosure - Note 13 - Income Taxes - NOL and Tax Credit Carryforwards (Details) link:calculationLink link:definitionLink link:presentationLink 074 - Disclosure - Note 13 - Income Taxes - Changes in Valuation Allowance (Details) link:calculationLink link:definitionLink link:presentationLink 075 - Disclosure - Note 13 - Income Taxes - Unrecognized Tax Benefits (Details) link:calculationLink link:definitionLink link:presentationLink 076 - Disclosure - Note 14 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 077 - Disclosure - Note 14 - Commitments and Contingencies - Minimum Future Operating Lease Obligations (Details) link:calculationLink link:definitionLink link:presentationLink 078 - Disclosure - Note 15 - Accumulated Other Comprehensive Loss (Details Textual) link:calculationLink link:definitionLink link:presentationLink 079 - Disclosure - Note 16 - Share Based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 080 - Disclosure - Note 16 - Share Based Compensation - Stock Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 081 - Disclosure - Note 16 - Share Based Compensation - Stock Options Outstanding (Details) link:calculationLink link:definitionLink link:presentationLink 082 - Disclosure - Note 16 - Share Based Compensation - Restricted Stock Awards and Deferred Stock Awards (Details) link:calculationLink link:definitionLink link:presentationLink 083 - Disclosure - Note 16 - Share Based Compensation - Phantom Share Awards Activity (Details) link:calculationLink link:definitionLink link:presentationLink 084 - Disclosure - Note 16 - Share Based Compensation - Valuation Assumptions of Performance Share Awards (Details) link:calculationLink link:definitionLink link:presentationLink 085 - Disclosure - Note 16 - Share Based Compensation - Performance Share Awards Activity (Details) link:calculationLink link:definitionLink link:presentationLink 086 - Disclosure - Note 17 - Segment and Related Information - Financial Information by Business Segment (Details) link:calculationLink link:definitionLink link:presentationLink 087 - Disclosure - Note 17 - Segment and Related Information - Financial Information By Geographic Segment (Details) link:calculationLink link:definitionLink link:presentationLink 088 - Disclosure - Note 18 - Valuation Accounts - Activity in Valuation Accounts (Details) link:calculationLink link:definitionLink link:presentationLink 089 - Disclosure - Note 19 - Quarterly Financial Information (Unaudited) (Details Textual) link:calculationLink link:definitionLink link:presentationLink 090 - Disclosure - Note 19 - Quarterly Financial Information (Unaudited) - Quarterly Financial Information (Details) link:calculationLink link:definitionLink link:presentationLink