001 - Statement - Condensed Consolidated Statements of Earnings (Unaudited) link:presentationLink link:definitionLink link:calculationLink 002 - Statement - Condensed Consolidated Statements of Comprehensive Earnings (Unaudited) link:presentationLink link:definitionLink link:calculationLink 003 - Statement - Condensed Consolidated Statements of Comprehensive Earnings (Unaudited) (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 004 - Statement - Condensed Consolidated Balance Sheets (Unaudited) link:presentationLink link:definitionLink link:calculationLink 005 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 006 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:definitionLink link:calculationLink 007 - Disclosure - Note 1 - Basis of Presentation link:presentationLink link:definitionLink link:calculationLink 008 - Disclosure - Note 2 - Investments link:presentationLink link:definitionLink link:calculationLink 009 - Disclosure - Note 3 - Commitments and Contingencies link:presentationLink link:definitionLink link:calculationLink 010 - Disclosure - Note 4 - Employee benefit plans link:presentationLink link:definitionLink link:calculationLink 011 - Disclosure - Note 5 - New Accounting Pronouncements link:presentationLink link:definitionLink link:calculationLink 012 - Disclosure - Note 6 - Subsequent Events link:presentationLink link:definitionLink link:calculationLink 013 - Disclosure - Note 7 - Reclassifications link:presentationLink link:definitionLink link:calculationLink 014 - Disclosure - Note 2 - Investments (Tables) link:presentationLink link:definitionLink link:calculationLink 015 - Disclosure - Note 2 - Investments (Details) link:presentationLink link:definitionLink link:calculationLink 016 - Disclosure - Note 2 - Investments (Details) - Investments Schedule link:presentationLink link:definitionLink link:calculationLink 017 - Disclosure - Note 2 - Investments (Details) - Fair Value Heirarchy link:presentationLink link:definitionLink link:calculationLink 018 - Disclosure - Note 2 - Investments (Details) - Telecommunications Stocks Held link:presentationLink link:definitionLink link:calculationLink 019 - Disclosure - Note 4 - Employee benefit plans (Details) link:presentationLink link:definitionLink link:calculationLink 000 - Disclosure - Document And Entity Information link:presentationLink link:definitionLink link:calculationLink