00100 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 00200 - Statement - Consolidated Statements Of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - Consolidated Statements Of Cash Flows link:presentationLink link:calculationLink link:definitionLink 40502 - Disclosure - Cash, Cash Equivalents And Marketable Securities (Summary Of The Amortized Costs And Fair Values Of Marketable Securities) (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document And Entity Information link:presentationLink link:calculationLink link:definitionLink 00105 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - Basis Of Presentation link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - Business Segments link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Fair Value Of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Cash, Cash Equivalents And Marketable Securities link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Commitments And Contingencies link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Adoption Of New Accounting Standards link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - Business Segments (Tables) link:presentationLink link:calculationLink link:definitionLink 30503 - Disclosure - Cash, Cash Equivalents And Marketable Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - Business Segments (Details) link:presentationLink link:calculationLink link:definitionLink 40501 - Disclosure - Cash, Cash Equivalents And Marketable Securities (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink