00100 - Statement - Consolidated Statements Of Earnings link:presentationLink link:calculationLink link:definitionLink 00200 - Statement - Consolidated Statements Of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 00400 - Statement - Consolidated Statements Of Cash Flows link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - CarMax Auto Finance Income (Components Of CarMax Auto Finance Income) (Details) link:presentationLink link:calculationLink link:definitionLink 40402 - Disclosure - Auto Loan Receivables (Auto Loan Receivables, Net) (Details) link:presentationLink link:calculationLink link:definitionLink 40405 - Disclosure - Auto Loan Receivables (Past Due Receivables) (Details) link:presentationLink link:calculationLink link:definitionLink 40502 - Disclosure - Derivative Instruments And Hedging Activities (Schedule Of Fair Values Of Derivative Instruments On The Consolidated Balance Sheets) (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - Fair Value Measurements (Schedule Of Items Measured At Fair Value On A Recurring Basis) (Details) link:presentationLink link:calculationLink link:definitionLink 40802 - Disclosure - Retirement Plans (Components Of Net Pension Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 41102 - Disclosure - Net Earnings Per Share (Basic And Dilutive Net Earnings Per Share Reconciliations) (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document And Entity Information link:presentationLink link:calculationLink link:definitionLink 00205 - Statement - Consolidated Statements Of Comprehensive Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00305 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - Background link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - Accounting Policies link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - CarMax Auto Finance Income link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Auto Loan Receivables link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Derivative Instruments And Hedging Activities link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - Retirement Plans link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - Stock and Stock-Based Incentive Plans link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - Net Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - Accumulated Other Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - Contingent Liabilities link:presentationLink link:calculationLink link:definitionLink 20201 - Disclosure - Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink 30203 - Disclosure - Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - CarMax Auto Finance Income (Tables) link:presentationLink link:calculationLink link:definitionLink 30403 - Disclosure - Auto Loan Receivables (Tables) link:presentationLink link:calculationLink link:definitionLink 30503 - Disclosure - Derivative Instruments And Hedging Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 30803 - Disclosure - Schedule of Retirement Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - Stock and Stock-Based Incentive Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 31103 - Disclosure - Net Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 31203 - Disclosure - Accumulated Other Comprehensive Loss (Tables) link:presentationLink link:calculationLink link:definitionLink 40201 - Disclosure - Accounting Policies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40202 - Disclosure - Accounting Policies (Impacts Of The Revisions Of Statements Of Earnings) (Details) link:presentationLink link:calculationLink link:definitionLink 40203 - Disclosure - Accounting Policies (Impacts Of The Revisions Of Statements Of Cash Flows) (Details) link:presentationLink link:calculationLink link:definitionLink 40403 - Disclosure - Auto Loan Receivables (Ending Managed Receivables By Major Credit Grade) (Details) link:presentationLink link:calculationLink link:definitionLink 40404 - Disclosure - Auto Loan Receivables (Allowance For Loan Losses) (Details) link:presentationLink link:calculationLink link:definitionLink 40501 - Disclosure - Derivative Instruments And Hedging Activities (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40503 - Disclosure - Derivative Instruments And Hedging Activities (Schedule Of Effect Of Derivative Instruments On The Consolidated Statements Of Earnings) (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - Retirement Plans (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40901 - Disclosure - Debt (Details) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - Stock and Stock-Based Incentive Plans (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - Stock and Stock-Based Incentive Plans (Composition Of Share-Based Compensation Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 41003 - Disclosure - Stock and Stock-Based Incentive Plans (Composition Of Share-Based Compensation Expense-By Grant Type) (Details) link:presentationLink link:calculationLink link:definitionLink 41004 - Disclosure - Stock and Stock-Based Incentive Plans (Stock Option Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 41005 - Disclosure - Stock and Stock-Based Incentive Plans (Outstanding Stock Options) (Details) link:presentationLink link:calculationLink link:definitionLink 41006 - Disclosure - Stock and Stock-Based Incentive Plans (Assumptions Used To Estimate Option Values) (Details) link:presentationLink link:calculationLink link:definitionLink 41007 - Disclosure - Stock and Stock-Based Incentive Plans (Cash-Settled Restricted Stock Unit Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 41008 - Disclosure - Stock and Stock-Based Incentive Plans (Expected Cash Settlement Range Upon Restricted Stock Unit Vesting) (Details) link:presentationLink link:calculationLink link:definitionLink 41009 - Disclosure - Stock and Stock-Based Incentive Plans (Stock-Settled Restricted Stock Unit Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 41101 - Disclosure - Net Earnings Per Share (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41201 - Disclosure - Accumulated Other Comprehensive Loss (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41202 - Disclosure - Accumulated Other Comprehensive Loss (Accumulated Other Comprehensive Loss) (Details) link:presentationLink link:calculationLink link:definitionLink