000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Statements of Income and Comprehensive Income (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Disclosure - Note 1 - Basis of Presentation and Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 2 - Revenue link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 3 - Investments in Associated Companies link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 4 - Goodwill and Other Intangible Assets link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 5 - Debt link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 6 - Pension, Postretirement and Postemployment Defined Benefit Plans link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 7 - Acquisitions link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 8 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 9 - Earnings Per Common Share link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 10 - Stock Ownership Plans link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 11 - Fair Value of Measurements link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 12 - Commitments and Contingent Liabilities link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 2 - Revenue (Tables) link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 3 - Investments in Associated Companies (Tables) link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 4 - Goodwill and Other Intangible Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 5 - Debt (Tables) link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note 6 - Pension, Postretirement and Postemployment Defined Benefit Plans (Tables) link:calculationLink link:definitionLink link:presentationLink 024 - Disclosure - Note 7 - Acquisitions (Tables) link:calculationLink link:definitionLink link:presentationLink 025 - Disclosure - Note 9 - Earnings Per Common Share (Tables) link:calculationLink link:definitionLink link:presentationLink 026 - Disclosure - Note 10 - Stock Ownership Plans (Tables) link:calculationLink link:definitionLink link:presentationLink 027 - Disclosure - Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 028 - Disclosure - Note 2 - Revenue (Details Textual) link:calculationLink link:definitionLink link:presentationLink 029 - Disclosure - Note 2 - Revenue - Disaggregation of Revenue (Details) link:calculationLink link:definitionLink link:presentationLink 030 - Disclosure - Note 3 - Investments in Associated Companies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 031 - Disclosure - Note 3 - Investments in Associated Companies - Summarized Financial Results (Details) link:calculationLink link:definitionLink link:presentationLink 032 - Disclosure - Note 3 - Investments in Associated Companies - Summarized Financial Results (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 033 - Disclosure - Note 4 - Goodwill and Other Intangible Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 034 - Disclosure - Note 4 - Goodwill and Other Intangible Assets - Changes in the Carrying Amount of Goodwill (Details) link:calculationLink link:definitionLink link:presentationLink 035 - Disclosure - Note 4 - Goodwill and Other Intangible Assets - Identified Intangible Assets (Details) link:calculationLink link:definitionLink link:presentationLink 036 - Disclosure - Note 5 - Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 037 - Disclosure - Note 5 - Debt - Debt (Details) link:calculationLink link:definitionLink link:presentationLink 038 - Disclosure - Note 6 - Pension, Postretirement and Postemployment Defined Benefit Plans (Details Textual) link:calculationLink link:definitionLink link:presentationLink 039 - Disclosure - Note 6 - Pension, Postretirement and Postemployment Defined Benefit Plans - Net Periodic Cost (Benefit) (Details) link:calculationLink link:definitionLink link:presentationLink 040 - Disclosure - Note 7 - Acquisitions (Details Textual) link:calculationLink link:definitionLink link:presentationLink 041 - Disclosure - Note 7 - Acquisitions - Preliminary Determination of Fair Values of Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 042 - Disclosure - Note 7 - Acquisitions - Pro Forma Information (Details) link:calculationLink link:definitionLink link:presentationLink 043 - Disclosure - Note 8 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 044 - Disclosure - Note 9 - Earnings Per Common Share (Details Textual) link:calculationLink link:definitionLink link:presentationLink 045 - Disclosure - Note 9 - Earnings Per Common Share - Computation of Basic and Diluted Earnings Per Common Share (Details) link:calculationLink link:definitionLink link:presentationLink 046 - Disclosure - Note 10 - Stock Ownership Plans (Details Textual) link:calculationLink link:definitionLink link:presentationLink 047 - Disclosure - Note 10 - Stock Ownership Plans - Summary of Stock Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 048 - Disclosure - Note 10 - Stock Ownership Plans - Summary of Restricted Stock Activity (Details) link:calculationLink link:definitionLink link:presentationLink 049 - Disclosure - Note 11 - Fair Value of Measurements (Details Textual) link:calculationLink link:definitionLink link:presentationLink 050 - Disclosure - Note 12 - Commitments and Contingent Liabilities (Details Textual) link:calculationLink link:definitionLink link:presentationLink