Consolidated Statements Of Earnings - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended
May. 31, 2015
May. 31, 2014
SALES AND OPERATING REVENUES:    
NET SALES AND OPERATING REVENUES $ 4,014,888 $ 3,750,196
Cost of sales 3,471,094 3,248,465
GROSS PROFIT 543,794 501,731
CARMAX AUTO FINANCE INCOME 109,108 94,615
Selling, general and administrative expenses 349,779 313,446
Interest expense 7,103 7,601
Other expense 41 277
Earnings before income taxes 295,979 275,022
Income tax provision 114,005 105,369
NET EARNINGS $ 181,974 $ 169,653
WEIGHTED AVERAGE COMMON SHARES:    
Basic 208,698 220,268
Diluted 211,652 223,632
NET EARNINGS PER SHARE:    
Basic $ 0.87 $ 0.77
Diluted $ 0.86 $ 0.76
Used Vehicle Sales [Member]    
SALES AND OPERATING REVENUES:    
Used vehicle sales $ 3,292,658 $ 3,060,341
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 82.00% 81.60%
New Vehicle Sales [Member]    
SALES AND OPERATING REVENUES:    
New vehicle sales $ 60,048 $ 69,789
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 1.50% 1.90%
Wholesale Vehicle Sales [Member]    
SALES AND OPERATING REVENUES:    
Wholesale vehicle sales $ 576,625 $ 545,245
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 14.40% 14.50%
Other Sales And Revenues [Member]    
SALES AND OPERATING REVENUES:    
Other sales and revenues $ 85,557 $ 74,821
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 2.10% 2.00%
Net Sales And Operating Revenues [Member]    
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 100.00% 100.00%
Cost Of Sales [Member]    
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 86.50% 86.60%
Gross Profit [Member]    
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 13.50% 13.40%
CAF Income [Member]    
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 2.70% 2.50%
Selling, General And Administrative Expenses [Member]    
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 8.70% 8.40%
Interest Expense [Member]    
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 0.20% 0.20%
Other Expense [Member]    
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 0.00% 0.00%
Earnings Before Income Taxes [Member]    
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 7.40% 7.30%
Income Tax Provision [Member]    
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 2.80% 2.80%
Net Earnings [Member]    
Percentage of Sales    
Item as a percent of net sales and operating revenues [1] 4.50% 4.50%
[1] Percents are calculated as a percentage of net sales and operating revenues and may not total due to rounding.