v2.4.0.6
Consolidated Statements Of Earnings (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Nov. 30, 2012
Nov. 30, 2011
Nov. 30, 2012
Nov. 30, 2011
SALES AND OPERATING REVENUES:        
NET SALES AND OPERATING REVENUES $ 2,602,446 $ 2,260,514 [1] $ 8,134,870 $ 7,527,750 [1]
Cost of sales 2,257,227 1,957,295 [1] 7,039,743 6,487,161 [1]
GROSS PROFIT 345,219 303,219 [1] 1,095,127 1,040,589 [1]
CARMAX AUTO FINANCE INCOME 72,454 62,625 [1] 223,309 196,112 [1]
Selling, general and administrative expenses 257,282 225,765 [1] 765,559 697,307 [1]
Interest expense 8,065 8,359 [1] 24,360 25,363 [1]
Other income (expense) 139 (94) [1] 683 119 [1]
Earnings before income taxes 152,465 131,626 [1] 529,200 514,150 [1]
Income tax provision 57,784 49,516 [1] 202,137 195,386 [1]
NET EARNINGS 94,681 82,110 [1] 327,063 318,764 [1]
WEIGHTED AVERAGE COMMON SHARES:        
Basic 228,904 226,446 [1] 228,346 226,104 [1]
Diluted 232,656 230,632 [1] 232,048 230,529 [1]
NET EARNINGS PER SHARE:        
Basic $ 0.41 $ 0.36 [1] $ 1.43 $ 1.41 [1]
Diluted $ 0.41 $ 0.36 [1] $ 1.41 $ 1.38 [1]
Used Vehicle Sales [Member]
        
SALES AND OPERATING REVENUES:        
NET SALES AND OPERATING REVENUES 2,068,742 1,766,690 [1] 6,449,613 5,853,213 [1]
Percentage of Sales        
Item as a percent of net sales and operating revenues 79.50% [2] 78.20% [2] 79.30% [2] 77.80% [2]
New Vehicle Sales [Member]
        
SALES AND OPERATING REVENUES:        
NET SALES AND OPERATING REVENUES 45,693 45,997 [1] 162,543 154,736 [1]
Percentage of Sales        
Item as a percent of net sales and operating revenues 1.80% [2] 2.00% [2] 2.00% [2] 2.10% [2]
Wholesale Vehicle Sales [Member]
        
SALES AND OPERATING REVENUES:        
NET SALES AND OPERATING REVENUES 427,650 390,262 [1] 1,332,495 1,325,926 [1]
Percentage of Sales        
Item as a percent of net sales and operating revenues 16.40% [2] 17.30% [2] 16.40% [2] 17.60% [2]
Other Sales And Revenues [Member]
        
SALES AND OPERATING REVENUES:        
NET SALES AND OPERATING REVENUES $ 60,361 $ 57,565 [1] $ 190,219 $ 193,875 [1]
Percentage of Sales        
Item as a percent of net sales and operating revenues 2.30% [2] 2.50% [2] 2.30% [2] 2.60% [2]
Net Sales And Operating Revenues [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 100.00% [2] 100.00% [2] 100.00% [2] 100.00% [2]
Cost Of Sales [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 86.70% [2] 86.60% [2] 86.50% [2] 86.20% [2]
Gross Profit [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 13.30% [2] 13.40% [2] 13.50% [2] 13.80% [2]
Net Income Loss From Financing [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 2.80% [2] 2.80% [2] 2.70% [2] 2.60% [2]
Selling, General And Administrative Expenses [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 9.90% [2] 10.00% [2] 9.40% [2] 9.30% [2]
Interest Expense [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 0.30% [2] 0.40% [2] 0.30% [2] 0.30% [2]
Other Income (Expense) [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 0.00% [2] 0.00% [2] 0.00% [2] 0.00% [2]
Earnings Before Income Taxes [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 5.90% [2] 5.80% [2] 6.50% [2] 6.80% [2]
Income Tax Provision [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 2.20% [2] 2.20% [2] 2.50% [2] 2.60% [2]
Net Earnings [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 3.60% [2] 3.60% [2] 4.00% [2] 4.20% [2]
[1] As discussed in Note 2, fiscal 2012 reflects the revisions to correct our accounting for sale-leaseback transactions.
[2] Calculated as a percentage of net sales and operating revenues and may not equal totals due to rounding.