v3.24.1.u1
Segment Reporting (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 29, 2024
Feb. 28, 2023
Feb. 28, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
NET SALES AND OPERATING REVENUES $ 26,536,040 $ 29,684,873 $ 31,900,412
Depreciation and amortization 260,414 265,224 273,188
Gross Profit 2,713,209 2,800,203 3,287,542
CARMAX AUTO FINANCE INCOME  568,271 663,404 801,507
Selling, General and Administrative Expense (2,286,378) (2,487,357) (2,325,220)
Depreciation, Depletion and Amortization, Nonproduction (239,028) (228,449) (211,956)
Interest expense (124,750) (120,398) (94,095)
Nonoperating Income (Expense) 10,271 9,401 34,568
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest 641,595 636,804 $ 1,492,346
TOTAL COST OF SALES      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Depreciation and amortization 21,292 15,762  
Intersegment Eliminations      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
NET SALES AND OPERATING REVENUES (34,779) (28,038)  
Gross Profit (4,621) (5,333)  
CarMax Sales Operations      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
NET SALES AND OPERATING REVENUES 26,400,256 29,551,617  
Gross Profit 2,615,286 2,704,398  
CarMax Sales Operations | TOTAL COST OF SALES      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Depreciation and amortization 1,614 1,499  
CarMax Sales Operations | Operating Segments      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
NET SALES AND OPERATING REVENUES 26,400,256 29,551,617  
Other Segments      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
NET SALES AND OPERATING REVENUES 135,784 133,256  
Gross Profit 102,544 101,138  
Other Segments | TOTAL COST OF SALES      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Depreciation and amortization 19,678 14,263  
Other Segments | Operating Segments      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
NET SALES AND OPERATING REVENUES 170,563 161,294  
Other Segments | Intersegment Eliminations      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
NET SALES AND OPERATING REVENUES $ 34,779 $ 28,038