001 - Statement - Consolidated Balance Sheets
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002 - Statement - Consolidated Balance Sheets (Parentheticals)
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003 - Statement - Consolidated Statements of Operations
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004 - Statement - Consolidated Statements of Comprehensive Income (Loss)
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005 - Statement - Consolidated Statements of Shareholders' Equity
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006 - Statement - Consolidated Statements of Cash Flows
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007 - Disclosure - Note 1 - The Company and Summary of Significant Accounting Policies
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008 - Disclosure - Note 2 - Composition of Certain Financial Statement Captions
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009 - Disclosure - Note 3 - Retirement and Other Benefit Plans
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010 - Disclosure - Note 4 - Income Taxes
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011 - Disclosure - Note 5 - Line of Credit
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012 - Disclosure - Note 6 - Commitments and Contingencies
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013 - Disclosure - Note 7 - Segment Information
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014 - Disclosure - Note 8 - Unaudited Interim Financial Information
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015 - Disclosure - Accounting Policies, by Policy (Policies)
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016 - Disclosure - Note 2 - Composition of Certain Financial Statement Captions (Tables)
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017 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Tables)
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018 - Disclosure - Note 4 - Income Taxes (Tables)
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019 - Disclosure - Note 6 - Commitments and Contingencies (Tables)
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020 - Disclosure - Note 7 - Segment Information (Tables)
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021 - Disclosure - Note 1 - The Company and Summary of Significant Accounting Policies (Details)
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022 - Disclosure - Note 2 - Composition of Certain Financial Statement Captions (Details) - Composition of Certain Financial Statement Captions
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023 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details)
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024 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Net Pension Cost
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025 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Net Pension Costs And Benefit Obligations Determined Using Assumptions
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026 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Benefit Obligation, Plan Assets, and Funded Status of Plans
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027 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Actual and Target Allocation for Plan Assets
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028 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Fair Value of Pension Plan Assets
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029 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Expected Payments for Pension Benefits
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030 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Expected Payments for Executive Postretirement Benefits
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031 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Net Periodic Postretirement Healthcare Cost
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032 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Weighted Average Assumptions
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033 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Estimated Effect of a 1% Increase in Healthcare Cost Trend Rate
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034 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Estimated Effect of a 1% Decrease in Healthcare Cost Trend Rate
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035 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Healthcare Obligation and Funded Status of Plan
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036 - Disclosure - Note 3 - Retirement and Other Benefit Plans (Details) - Expected Payments for Postretirement Benefits
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037 - Disclosure - Note 4 - Income Taxes (Details)
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038 - Disclosure - Note 4 - Income Taxes (Details) - Provision for Taxes on Income
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039 - Disclosure - Note 4 - Income Taxes (Details) - Tax Provision Differs From Applying Statutory Federal Income Tax Rate
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040 - Disclosure - Note 4 - Income Taxes (Details) - Deferred Income Taxes Results From Differences in the Bases of Assets and Liabilities
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041 - Disclosure - Note 4 - Income Taxes (Details) - Reconciliation of Unrecognized Tax Benefits
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042 - Disclosure - Note 5 - Line of Credit (Details)
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043 - Disclosure - Note 6 - Commitments and Contingencies (Details)
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044 - Disclosure - Note 6 - Commitments and Contingencies (Details) - Future minimum lease payments for transportation leases
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045 - Disclosure - Note 7 - Segment Information (Details)
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046 - Disclosure - Note 7 - Segment Information (Details) - Segment Reporting
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000 - Disclosure - Document And Entity Information
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