104050 - Statement - Consolidated Statements of Income (Unaudited) link:presentationLink link:calculationLink link:definitionLink 104060 - Statement - Consolidated Balance Sheets (Unaudited) link:presentationLink link:calculationLink link:definitionLink 104070 - Statement - Consolidated Balance Sheets (Parenthetical) (Unaudited) link:presentationLink link:calculationLink link:definitionLink 104081 - Statement - Cosolidated Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 198010 - Disclosure - Stock-Based Compensation (Unaudited) link:presentationLink link:calculationLink link:definitionLink 198020 - Disclosure - Income Taxes (Unaudited) link:presentationLink link:calculationLink link:definitionLink 198030 - Disclosure - Earnings Per Share (Unaudited) link:presentationLink link:calculationLink link:definitionLink 198050 - Disclosure - Stock Repurchase Program (Unaudited) link:presentationLink link:calculationLink link:definitionLink 198060 - Disclosure - Investments (Unaudited) link:presentationLink link:calculationLink link:definitionLink 198080 - Disclosure - Pensions and Other Postretirement Benefits (Unaudited) link:presentationLink link:calculationLink link:definitionLink 198100 - Disclosure - Fair Value (Unaudited) link:presentationLink link:calculationLink link:definitionLink 198110 - Disclosure - Commitments and Contingencies (Unaudited) link:presentationLink link:calculationLink link:definitionLink 199020 - Disclosure - Other Income - Net (Unaudited) link:presentationLink link:calculationLink link:definitionLink 199085 - Disclosure - Lease Commitments (Unaudited) link:presentationLink link:calculationLink link:definitionLink 199086 - Disclosure - Other Liabilities (Unaudited) link:presentationLink link:calculationLink link:definitionLink 104030 - Document - Document Information link:presentationLink link:calculationLink link:definitionLink 104040 - Document - Entity Information link:presentationLink link:calculationLink link:definitionLink 198040 - Disclosure - Stockholders' Equity (Unaudited) link:presentationLink link:calculationLink link:definitionLink 198070 - Disclosure - Debt (Unaudited) link:presentationLink link:calculationLink link:definitionLink 198090 - Disclosure - Comprehensive Income (Unaudited) link:presentationLink link:calculationLink link:definitionLink 199000 - Disclosure - Summary of Significant Accounting Policies(Unaudited) link:presentationLink link:calculationLink link:definitionLink 199060 - Disclosure - Properties (Unaudited) link:presentationLink link:calculationLink link:definitionLink 199070 - Disclosure - Current Liabilities (Unaudited) link:presentationLink link:calculationLink link:definitionLink 199160 - Disclosure - Derivative Financial Instruments (Unaudited) link:presentationLink link:calculationLink link:definitionLink