00100 - Statement - Consolidated Statements of Income
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00200 - Statement - Consolidated Balance Sheets
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00210 - Statement - Consolidated Balance Sheets (Parenthetical)
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00300 - Statement - Consolidated Statements of Cash Flows
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10201 - Disclosure - Other Income - Net
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10301 - Disclosure - Income Taxes
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10401 - Disclosure - Fair Value
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10501 - Disclosure - Investments
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10901 - Disclosure - Lease Commitments
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11001 - Disclosure - Other Liabilities
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11101 - Disclosure - Pensions and Other Postretirement Benefits
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11201 - Disclosure - Stock-Based Compensation
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11401 - Disclosure - Stock Repurchase Program
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11501 - Disclosure - Earnings Per Share
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11701 - Disclosure - Commitments and Contingencies
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30403 - Disclosure - Fair Value (Tables)
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30503 - Disclosure - Investments (Tables)
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31503 - Disclosure - Earnings Per Share (Tables)
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40204 - Disclosure - Other Income - Net (Details)
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40304 - Disclosure - Income Taxes (Details)
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40404 - Disclosure - Fair Value (Details)
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40514 - Disclosure - Investments (Parenthetical) (Details)
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40604 - Disclosure - Properties (Details)
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40704 - Disclosure - Current Liabilities (Details)
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40804 - Disclosure - Debt (Narrative) (Details)
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40814 - Disclosure - Debt (Tables) (Details)
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40904 - Disclosure - Lease Commitments (Details)
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41004 - Disclosure - Other Liabilities (Details)
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41104 - Disclosure - Pensions and Other Postretirement Benefits (Narrative) (Details)
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41124 - Disclosure - Pensions and Other Postretirement Benefits (Pension and other postretirement benefit cost components) (Details)
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41164 - Disclosure - Pensions and Other Postretirement Benefits (Pension plan weighted-average asset allocations by asset category) (Details)
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41304 - Disclosure - Stockholders' Equity (Details)
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41404 - Disclosure - Stock Repurchase Program (Details)
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41504 - Disclosure - Earnings Per Share (Details)
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41704 - Disclosure - Commitments and Contingencies (Details)
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00090 - Document - Document and Entity Information
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00400 - Statement - Consolidated Statements of Changes in Stockholders' Equity
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00410 - Statement - Consolidated Statements of Changes in Stockholders' Equity (Parenthetical)
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10101 - Disclosure - Summary of Significant Accounting Policies
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10601 - Disclosure - Properties
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10701 - Disclosure - Current Liabilities
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10801 - Disclosure - Debt
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11301 - Disclosure - Stockholders' Equity
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11601 - Disclosure - Derivative Financial Instruments
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11801 - Disclosure - Quarterly Financial Data (Unaudited)
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11901 - Disclosure - Valuation and Qualifying Accounts
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20102 - Disclosure - Summary of Significant Accounting Policies (Policies)
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30203 - Disclosure - Other Income - Net (Tables)
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30303 - Disclosure - Income Taxes (Tables)
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30603 - Disclosure - Properties (Tables)
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30703 - Disclosure - Current Liabilities (Tables)
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30803 - Disclosure - Debt (Tables)
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30903 - Disclosure - Lease Commitments (Tables)
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31003 - Disclosure - Other Liabilities (Tables)
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31103 - Disclosure - Pensions and Other Postretirement Benefits (Tables)
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31203 - Disclosure - Stock-Based Compensation (Tables)
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31303 - Disclosure - Stockholders' Equity (Tables)
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31803 - Disclosure - Quarterly Financial Data (Unaudited) (Tables)
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31903 - Disclosure - Valuation and Qualifying Accounts (Tables)
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40104 - Disclosure - Summary of Significant Accounting Policies (Details)
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40504 - Disclosure - Investments (Details)
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41114 - Disclosure - Pensions and Other Postretirement Benefits (Pension and other postretirement benefit obligations and plan assets) (Details)
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41134 - Disclosure - Pensions and Other Postretirement Benefits (Other changes in plan assets and benefit obligations recognized in other comprehensive loss) (Details)
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41144 - Disclosure - Pensions and Other Postretirement Benefits (Pension and other postretirement benefit assumptions) (Details)
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41154 - Disclosure - Pensions and Other Postretirement Benefits (Health care cost trend assumptions) (Details)
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41174 - Disclosure - Pensions and Other Postretirement Benefits (Fair value of plan assets) (Details)
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41184 - Disclosure - Pensions and Other Postretirement Benefits (Estimated future benefit payments) (Details)
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41204 - Disclosure - Stock-Based Compensation (Details)
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41604 - Disclosure - Derivative Financial Instruments (Details)
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41804 - Disclosure - Quarterly Financial Data (Unaudited) (Details)
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41904 - Disclosure - Valuation and Qualifying Accounts (Details)
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