00100 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 00200 - Statement - Consolidated Statements Of Income link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - Consolidated Statements Of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 00500 - Statement - Consolidated Statements Of Cash Flows link:presentationLink link:calculationLink link:definitionLink 40202 - Disclosure - Reserves For Claims (Summary Of The Company's Loss Reserves) (Details) link:presentationLink link:calculationLink link:definitionLink 40302 - Disclosure - Earnings Per Common Share And Share Awards (Computation Of Basic And Diluted Earnings Per Share) (Details) link:presentationLink link:calculationLink link:definitionLink 40401 - Disclosure - Segment Information (Selected Financial Information About The Company's Operations By Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 40501 - Disclosure - Retirement Agreements And Other Postretirement Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 40703 - Disclosure - Investments In Securities (Schedule Of Fixed Maturity Securities) (Details) link:presentationLink link:calculationLink link:definitionLink 40704 - Disclosure - Investments In Securities (Schedule Of Gross Realized Gains And Losses On Securities) (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document And Entity Information link:presentationLink link:calculationLink link:definitionLink 00105 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00400 - Statement - Consolidated Statements Of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 00405 - Statement - Consolidated Statements Of Stockholders' Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00505 - Statement - Consolidated Statements Of Cash Flows (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - Basis Of Presentation And Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - Reserves For Claims link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - Earnings Per Common Share And Share Awards link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Retirement Agreements And Other Postretirement Benefits link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Fair Value Measurement link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Investments In Securities link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - Commitments And Contingencies link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - Agency Acquisition link:presentationLink link:calculationLink link:definitionLink 20102 - Disclosure - Basis Of Presentation And Significant Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink 30203 - Disclosure - Reserves For Claims (Tables) link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - Earnings Per Common Share And Share Awards (Tables) link:presentationLink link:calculationLink link:definitionLink 30403 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 30503 - Disclosure - Retirement Agreements And Other Postretirement Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - Fair Value Measurement (Tables) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - Investments In Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 30903 - Disclosure - Related Party Transactions (Tables) link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - Agency Acquisition (Tables) link:presentationLink link:calculationLink link:definitionLink 40101 - Disclosure - Basis Of Presentation And Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 40201 - Disclosure - Reserves For Claims (Summary Of Transactions In Reserves For Claims) (Details) link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - Earnings Per Common Share And Share Awards (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40303 - Disclosure - Earnings Per Common Share And Share Awards (Summary Of Share-Based Award Transactions) (Details) link:presentationLink link:calculationLink link:definitionLink 40304 - Disclosure - Earnings Per Common Share And Share Awards (Weighted-Average Assumptions Of Fair Values For Stock Appreciation Rights) (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - Fair Value Measurement (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40602 - Disclosure - Fair Value Measurement (Schedule Of Assumptions Used To Determine Fair Value) (Details) link:presentationLink link:calculationLink link:definitionLink 40603 - Disclosure - Fair Value Measurement (Schedule Of Fair Value Assets Measured On Recurring Basis) (Details) link:presentationLink link:calculationLink link:definitionLink 40604 - Disclosure - Fair Value Measurement (Schedule Of Carrying Value And Fair Value Of Financial Assets Disclosed) (Details) link:presentationLink link:calculationLink link:definitionLink 40605 - Disclosure - Fair Value Measurement (Schedule Of Fair Value Assets Measured At Unobservable Inputs Reconciliation) (Details) link:presentationLink link:calculationLink link:definitionLink 40606 - Disclosure - Fair Value Measurement (Reconciliation Of Liabilities Measured At Fair Value On A Recurring Basis Using Significant Unobservable Inputs (Level 3)) (Details) link:presentationLink link:calculationLink link:definitionLink 40607 - Disclosure - Fair Value Measurement (Schedule Of Estimated Fair Value Hierarchy Of Investments And Related Impairments Recognized) (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - Investments In Securities (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40702 - Disclosure - Investments In Securities (Schedule Of Gross Unrealized Gains And Losses And Amortized Cost For Securities) (Details) link:presentationLink link:calculationLink link:definitionLink 40705 - Disclosure - Investments In Securities (Schedule Of Unrealized Losses On Investments) (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - Commitments And Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 40901 - Disclosure - Related Party Transactions (Summary Of Approximate Values By Year Found Within Consolidated Balance Sheets) (Details) link:presentationLink link:calculationLink link:definitionLink 40902 - Disclosure - Related Party Transactions (Summary Of Approximate Values By Year Found Within Consolidated Statements Of Income) (Details) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - Agency Acquisition (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - Agency Acquisition (Reconciliation Of Total Redeemable Equity) (Details) link:presentationLink link:calculationLink link:definitionLink