00 - Document - Document and Entity Information link:presentationLink link:definitionLink link:calculationLink 01 - Statement - Consolidated Balance Sheets link:presentationLink link:definitionLink link:calculationLink 011 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:definitionLink link:calculationLink 02 - Statement - Consolidated Statements of Earnings link:presentationLink link:definitionLink link:calculationLink 03 - Statement - Consolidated Statements of Stockholders' Equity link:presentationLink link:definitionLink link:calculationLink 031 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical) link:presentationLink link:definitionLink link:calculationLink 04 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:definitionLink link:calculationLink 06001 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:definitionLink link:calculationLink 06002 - Disclosure - Stock Options and Capital Stock link:presentationLink link:definitionLink link:calculationLink 06003 - Disclosure - Commitments and Contingencies link:presentationLink link:definitionLink link:calculationLink 06004 - Disclosure - Earnings Per Share link:presentationLink link:definitionLink link:calculationLink 06005 - Disclosure - Income Taxes link:presentationLink link:definitionLink link:calculationLink 06006 - Disclosure - Profit Sharing Plan link:presentationLink link:definitionLink link:calculationLink 06007 - Disclosure - Industry Segment Data link:presentationLink link:definitionLink link:calculationLink 06008 - Disclosure - Summary of Quarterly Results of Operations (Unaudited) link:presentationLink link:definitionLink link:calculationLink 06009 - Disclosure - Subsequent Events link:presentationLink link:definitionLink link:calculationLink 06010 - Schedule - Valuation and Qualifying Accounts link:presentationLink link:definitionLink link:calculationLink