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Disclosure - Leases (Schedule of Rental Income) (Details)link:presentationLinklink:calculationLinklink:definitionLink41004 - Disclosure - Leases (Future Minimum Operating Lease Receipts) (Details)link:presentationLinklink:calculationLinklink:definitionLink41102 - Disclosure - Segment Information (Operations by Line of Business) (Details)link:presentationLinklink:calculationLinklink:definitionLink00090 - Document - Document and Entity Informationlink:presentationLinklink:calculationLinklink:definitionLink00105 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)link:presentationLinklink:calculationLinklink:definitionLink00300 - Statement - Condensed Consolidated Statements of Changes in Stockholders' Equitylink:presentationLinklink:calculationLinklink:definitionLink10101 - Disclosure - Basis of Preparationlink:presentationLinklink:calculationLinklink:definitionLink10201 - Disclosure - New Accounting Pronouncementslink:presentationLinklink:calculationLinklink:definitionLink10301 - Disclosure - Short Term Investmentslink:presentationLinklink:calculationLinklink:definitionLink10401 - Disclosure - Allowance for Doubtful Accountslink:presentationLinklink:calculationLinklink:definitionLink10501 - Disclosure - Income Taxeslink:presentationLinklink:calculationLinklink:definitionLink10601 - Disclosure - Accrued Expenses and Current Portion of Other Long-Term Liabilitieslink:presentationLinklink:calculationLinklink:definitionLink10701 - Disclosure - Long-Term Debtlink:presentationLinklink:calculationLinklink:definitionLink10801 - Disclosure - Dividendslink:presentationLinklink:calculationLinklink:definitionLink10901 - Disclosure - Earnings Per Common Sharelink:presentationLinklink:calculationLinklink:definitionLink11001 - Disclosure - Leaseslink:presentationLinklink:calculationLinklink:definitionLink11101 - Disclosure - Segment Informationlink:presentationLinklink:calculationLinklink:definitionLink11201 - Disclosure - Fair Values of Financial Instrumentslink:presentationLinklink:calculationLinklink:definitionLink11301 - Disclosure - Commitments and Contingencieslink:presentationLinklink:calculationLinklink:definitionLink11501 - Disclosure - Related Party Transactionslink:presentationLinklink:calculationLinklink:definitionLink30603 - Disclosure - Accrued Expenses and Current Portion of Other Long-Term Liabilities (Tables)link:presentationLinklink:calculationLinklink:definitionLink30703 - Disclosure - Long-Term Debt (Tables)link:presentationLinklink:calculationLinklink:definitionLink30903 - Disclosure - Earnings Per Common Share (Tables)link:presentationLinklink:calculationLinklink:definitionLink31003 - Disclosure - Leases (Tables)link:presentationLinklink:calculationLinklink:definitionLink31103 - Disclosure - Segment Information (Tables)link:presentationLinklink:calculationLinklink:definitionLink31203 - Disclosure - Fair Values of Financial Instruments (Tables)link:presentationLinklink:calculationLinklink:definitionLink40401 - Disclosure - Allowance for Doubtful Accounts (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40601 - Disclosure - Accrued Expenses and Current Portion of Other Long-Term Liabilities (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40701 - Disclosure - Long-Term Debt (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40703 - Disclosure - Long-Term Debt (Schedule of Redemption Prices of Senior Notes) (Details)link:presentationLinklink:calculationLinklink:definitionLink40801 - Disclosure - Dividends (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40901 - Disclosure - Earnings Per Common Share (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41001 - Disclosure - Leases (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41101 - Disclosure - Segment Information (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41102 - Disclosure - Segment Information (Operations by Lines of Business) (Details)link:presentationLinklink:calculationLinklink:definitionLink41201 - Disclosure - Fair Values of Financial Instruments (Carrying Amount and Fair Value of Debt, Interest Rate Swap and Non-Qualified Plan Assets) (Details)link:presentationLinklink:calculationLinklink:definitionLink41301 - Disclosure - Commitments and Contingencies (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41501 - Disclosure - Related Party Transactions (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink