0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 0000004 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000005 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME link:presentationLink link:calculationLink link:definitionLink 0000006 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 0000007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 0000008 - Disclosure - Nature of Operations link:presentationLink link:calculationLink link:definitionLink 0000009 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - Revenue from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - Property, Plant and Equipment link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - Goodwill and Intangible Assets link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - Other Assets and Accrued Liabilities link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - Stock Compensation, Earnings per Share, and Dividends link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - Government Grants link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - Segment Reporting link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - Discontinued Operations link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - Schedule II Valuation and Qualifying Accounts link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - Revenue from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 0000028 - Disclosure - Property, Plant and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 0000029 - Disclosure - Goodwill and Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 0000030 - Disclosure - Other Assets and Accrued Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 0000031 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 0000032 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 0000033 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 0000034 - Disclosure - Stock Compensation, Earnings per Share, and Dividends (Tables) link:presentationLink link:calculationLink link:definitionLink 0000035 - Disclosure - Government Grants (Tables) link:presentationLink link:calculationLink link:definitionLink 0000036 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 0000037 - Disclosure - Segment Reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 0000038 - Disclosure - Discontinued Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - Summary of Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - Summary of Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000040 - Disclosure - Summary of Significant Accounting Policies - Benefit Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 0000041 - Disclosure - Revenue from Contracts with Customers - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - Revenue from Contracts with Customers - Amortized and Capitalized Costs (Details) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - Revenue from Contracts with Customers - Future Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - Revenue from Contracts with Customers - Future Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 0000044 - Disclosure - Investments - Other Investments (Details) link:presentationLink link:calculationLink link:definitionLink 0000045 - Disclosure - Investments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000046 - Disclosure - Property, Plant and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 0000047 - Disclosure - Property, Plant and Equipment - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - Goodwill and Intangible Assets - Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - Goodwill and Intangible Assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - Goodwill and Intangible Assets - Estimated Useful Life (Details) link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - Goodwill and Intangible Assets - Amortization Expense for Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - Other Assets and Accrued Liabilities - Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - Other Assets and Accrued Liabilities - Long-Term Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - Other Assets and Accrued Liabilities - Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - Other Assets and Accrued Liabilities - Long Term Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - Other Assets and Accrued Liabilities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - Other Assets and Accrued Liabilities - Asset Removal Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - Leases - Maturity of Lease Liability - Lessee (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - Leases - Maturity of Lease Liability - Lessee (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - Leases - Maturity of Lease Liability - Lessor (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - Debt - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000062 - Disclosure - Debt - Credit Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 0000063 - Disclosure - Debt - Maturities of Long-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 0000064 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000065 - Disclosure - Income Taxes - Components of Federal and State Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 0000066 - Disclosure - Income Taxes - Reconciliation of Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 0000067 - Disclosure - Income Taxes - Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000068 - Disclosure - Stock Compensation, Earnings per Share, and Dividends - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000069 - Disclosure - Stock Compensation, Earnings per Share, and Dividends - Schedule of Stock Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 0000070 - Disclosure - Stock Compensation, Earnings per Share, and Dividends - Basic and Diluted Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 0000071 - Disclosure - Government Grants (Details) link:presentationLink link:calculationLink link:definitionLink 0000072 - Disclosure - Commitments and Contingencies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000073 - Disclosure - Commitments and Contingencies - Purchase Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 0000074 - Disclosure - Segment Reporting - Selected Financial Data for Segments (Details) link:presentationLink link:calculationLink link:definitionLink 0000075 - Disclosure - Segment Reporting - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) link:presentationLink link:calculationLink link:definitionLink 0000076 - Disclosure - Discontinued Operations - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000077 - Disclosure - Discontinued Operations - Income (Loss) From Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 0000078 - Disclosure - Schedule II Valuation and Qualifying Accounts and Reserves (Details) link:presentationLink link:calculationLink link:definitionLink