v2.4.0.8
Consolidated Statements Of Earnings (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Aug. 31, 2013
Aug. 31, 2012
Aug. 31, 2013
Aug. 31, 2012
SALES AND OPERATING REVENUES:        
NET SALES AND OPERATING REVENUES $ 3,245,552 $ 2,758,004 $ 6,556,609 $ 5,532,424
Cost of sales 2,810,809 2,390,011 5,673,770 4,782,516
GROSS PROFIT 434,743 367,993 882,839 749,908
CARMAX AUTO FINANCE INCOME 84,422 75,676 171,441 150,855
Selling, general and administrative expenses 283,206 254,674 573,395 508,277
Interest expense 7,761 8,152 15,639 16,295
Other (loss) income (1,073) 259 (832) 544
Earnings before income taxes 227,125 181,102 464,414 376,735
Income tax provision 86,851 69,466 177,489 144,353
NET EARNINGS 140,274 111,636 286,925 232,382
WEIGHTED AVERAGE COMMON SHARES:        
Basic 223,610 228,366 224,114 228,069
Diluted 227,634 231,696 228,093 231,749
NET EARNINGS PER SHARE:        
Basic $ 0.63 $ 0.49 $ 1.28 $ 1.02
Diluted $ 0.62 $ 0.48 $ 1.26 $ 1.00
Used Vehicle Sales [Member]
        
SALES AND OPERATING REVENUES:        
NET SALES AND OPERATING REVENUES 2,639,523 2,191,964 5,341,278 4,380,871
Percentage of Sales        
Item as a percent of net sales and operating revenues 81.30% [1] 79.50% [1] 81.50% [1] 79.20% [1]
New Vehicle Sales [Member]
        
SALES AND OPERATING REVENUES:        
NET SALES AND OPERATING REVENUES 60,002 61,393 112,429 116,850
Percentage of Sales        
Item as a percent of net sales and operating revenues 1.80% [1] 2.20% [1] 1.70% [1] 2.10% [1]
Wholesale Vehicle Sales [Member]
        
SALES AND OPERATING REVENUES:        
NET SALES AND OPERATING REVENUES 474,907 437,050 965,566 904,845
Percentage of Sales        
Item as a percent of net sales and operating revenues 14.60% [1] 15.80% [1] 14.70% [1] 16.40% [1]
Other Sales And Revenues [Member]
        
SALES AND OPERATING REVENUES:        
NET SALES AND OPERATING REVENUES $ 71,120 $ 67,597 $ 137,336 $ 129,858
Percentage of Sales        
Item as a percent of net sales and operating revenues 2.20% [1] 2.50% [1] 2.10% [1] 2.30% [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] 86.70% [1] 86.50% [1] 86.40% [1]
Gross Profit [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 13.40% [1] 13.30% [1] 13.50% [1] 13.60% [1]
Net Income Loss From Financing [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 2.60% [1] 2.70% [1] 2.60% [1] 2.70% [1]
Selling, General And Administrative Expenses [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 8.70% [1] 9.20% [1] 8.70% [1] 9.20% [1]
Interest Expense [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 0.20% [1] 0.30% [1] 0.20% [1] 0.30% [1]
Other Income Loss [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 7.00% [1] 6.60% [1] 7.10% [1] 6.80% [1]
Income Tax Provision [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 2.70% [1] 2.50% [1] 2.70% [1] 2.60% [1]
Net Earnings [Member]
        
Percentage of Sales        
Item as a percent of net sales and operating revenues 4.30% [1] 4.00% [1] 4.40% [1] 4.20% [1]
[1] Calculated as a percentage of net sales and operating revenues and may not equal totals due to rounding.