00010 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 00020 - Statement - Condensed Consolidated Statements of Income (Unaudited) link:presentationLink link:calculationLink link:definitionLink 00030 - Statement - Condensed Consolidated Statements of Financial Position (Unaudited) link:presentationLink link:calculationLink link:definitionLink 00040 - Statement - Condensed Consolidated Statements of Financial Position (Unaudited) (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 00050 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 00060 - Statement - Condensed Consolidated Statements of Changes in Common Shareholders' Equity (Unaudited) link:presentationLink link:calculationLink link:definitionLink 00065 - Statement - Condensed Consolidated Statements of Changes in Common Shareholders' Equity (Parentheticals) (Unaudited) link:presentationLink link:calculationLink link:definitionLink 00100 - Disclosure - Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 00110 - Disclosure - Operations and Segmentation link:presentationLink link:calculationLink link:definitionLink 00120 - Disclosure - Stock Split link:presentationLink link:calculationLink link:definitionLink 00130 - Disclosure - Stock Options And Other Stock Plans link:presentationLink link:calculationLink link:definitionLink 00140 - Disclosure - Stock Based Compensation link:presentationLink link:calculationLink link:definitionLink 00150 - Disclosure - Retirement Plans link:presentationLink link:calculationLink link:definitionLink 00160 - Disclosure - Other Income link:presentationLink link:calculationLink link:definitionLink 00170 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 00180 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 00190 - Disclosure - Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 00200 - Disclosure - Properties link:presentationLink link:calculationLink link:definitionLink 00210 - Disclosure - Accounts Payable and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 00220 - Disclosure - Financial Instruments link:presentationLink link:calculationLink link:definitionLink 00230 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 00240 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 00250 - Disclosure - Share Repurchase Program link:presentationLink link:calculationLink link:definitionLink 00260 - Disclosure - Accounting Pronouncements link:presentationLink link:calculationLink link:definitionLink