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, 2011
Nov. 30, 2010
Nov. 30, 2011
Nov. 30, 2010
SALES AND OPERATING REVENUES:        
Used vehicle sales $ 1,766,690 $ 1,688,469 $ 5,853,213 $ 5,410,133
New vehicle sales 45,997 47,671 154,736 149,626
Wholesale vehicle sales 390,262 320,117 1,325,926 966,495
Other sales and revenues 57,565 62,872 193,875 196,667
NET SALES AND OPERATING REVENUES 2,260,514 2,119,129 7,527,750 6,722,921
Cost of sales 1,957,295 1,821,219 6,487,161 5,742,345
GROSS PROFIT 303,219 297,910 1,040,589 980,576
CARMAX AUTO FINANCE INCOME 62,625 55,745 196,112 165,844
Selling, general and administrative expenses 232,304 219,707 716,944 671,635
Interest expense 780 801 2,358 2,286
Other income (expense) (94) 198 119 380
Earnings before income taxes 132,666 133,345 517,518 472,879
Income tax provision 49,872 50,981 196,541 181,511
NET EARNINGS $ 82,794 $ 82,364 $ 320,977 $ 291,368
WEIGHTED AVERAGE COMMON SHARES:        
Basic 226,446 223,953 226,104 223,007
Diluted 230,632 228,471 230,529 226,924
NET EARNINGS PER SHARE:        
Basic $ 0.37 $ 0.37 $ 1.42 $ 1.30
Diluted $ 0.36 $ 0.36 $ 1.39 $ 1.28
Used Vehicle Sales [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 78.20% [1] 79.70% [1] 77.80% [1] 80.50% [1]
New Vehicle Sales [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 2.00% [1] 2.20% [1] 2.10% [1] 2.20% [1]
Wholesale Vehicle Sales [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 17.30% [1] 15.10% [1] 17.60% [1] 14.40% [1]
Other Sales And Revenues [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 2.50% [1] 3.00% [1] 2.60% [1] 2.90% [1]
Net Sales And Operating Revenues [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 100.00% [1] 100.00% [1] 100.00% [1] 100.00% [1]
Cost Of Sales [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 86.60% [1] 85.90% [1] 86.20% [1] 85.40% [1]
Gross Profit [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 13.40% [1] 14.10% [1] 13.80% [1] 14.60% [1]
Net Income Loss From Financing [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 2.80% [1] 2.60% [1] 2.60% [1] 2.50% [1]
Selling, General And Administrative Expenses [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 10.30% [1] 10.40% [1] 9.50% [1] 10.00% [1]
Interest Expense [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 0.00% [1] 0.00% [1] 0.00% [1] 0.00% [1]
Other Income (Expense) [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 0.00% [1] 0.00% [1] 0.00% [1] 0.00% [1]
Earnings Before Income Taxes [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 5.90% [1] 6.30% [1] 6.90% [1] 7.00% [1]
Income Tax Provision [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 2.20% [1] 2.40% [1] 2.60% [1] 2.70% [1]
Net Earnings [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 3.70% [1] 3.90% [1] 4.30% [1] 4.30% [1]
[1] Percents are calculated as a percentage of net sales and operating revenues and may not equal totals due to rounding.