Consolidated Statements Of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	May 31, 2021	May 31, 2020
SALES AND OPERATING REVENUES:
NET SALES AND OPERATING REVENUES	$ 7,697,599	$ 3,228,782
TOTAL COST OF SALES	6,773,090	2,874,599
GROSS PROFIT	924,509	354,183
CARMAX AUTO FINANCE INCOME	241,731	50,950
Selling, general and administrative expenses	554,069	324,891
Depreciation, Depletion and Amortization, Nonproduction	49,890	48,825
Interest expense	20,534	23,958
Other (income) expense	(25,577)	3,295
Earnings before income taxes	567,324	4,164
Income tax provision	130,568	(814)
NET EARNINGS	$ 436,756	$ 4,978
WEIGHTED AVERAGE COMMON SHARES:
Basic, shares	163,151	162,673
Diluted, shares	166,295	163,537
NET EARNINGS PER SHARE:
Basic (in dollars per share)	$ 2.68	$ 0.03
Diluted (in dollars per share)	$ 2.63	$ 0.03
Used vehicle sales
SALES AND OPERATING REVENUES:
NET SALES AND OPERATING REVENUES	$ 6,157,344	$ 2,786,202
TOTAL COST OF SALES	5,560,337	2,524,676
Wholesale vehicle sales
SALES AND OPERATING REVENUES:
NET SALES AND OPERATING REVENUES	1,374,357	342,852
TOTAL COST OF SALES	1,188,513	280,922
Total other sales and revenues
SALES AND OPERATING REVENUES:
NET SALES AND OPERATING REVENUES	165,898	99,728
TOTAL COST OF SALES	$ 24,240	$ 69,001
NET SALES AND OPERATING REVENUES
Percentage of Sales
Item as a percent of net sales and operating revenues	100.00%	100.00%
TOTAL COST OF SALES
Percentage of Sales
Item as a percent of net sales and operating revenues	88.00%	89.00%
GROSS PROFIT
Percentage of Sales
Item as a percent of net sales and operating revenues	12.00%	11.00%
CARMAX AUTO FINANCE INCOME
Percentage of Sales
Item as a percent of net sales and operating revenues	3.10%	1.60%
Selling, general and administrative expenses
Percentage of Sales
Item as a percent of net sales and operating revenues	7.20%	10.10%
Depreciation and Amortization, Nonproduction
Percentage of Sales
Item as a percent of net sales and operating revenues	0.60%	1.50%
Interest expense
Percentage of Sales
Item as a percent of net sales and operating revenues	0.30%	0.70%
Other (income) expense
Percentage of Sales
Item as a percent of net sales and operating revenues	(0.30%)	0.10%
Earnings before income taxes
Percentage of Sales
Item as a percent of net sales and operating revenues	7.40%	0.10%
Income tax provision
Percentage of Sales
Item as a percent of net sales and operating revenues	1.70%	0.00%
NET EARNINGS
Percentage of Sales
Item as a percent of net sales and operating revenues	5.70%	0.20%
NET SALES AND OPERATING REVENUES | Used vehicle sales
Percentage of Sales
Item as a percent of net sales and operating revenues	80.00%	86.30%
NET SALES AND OPERATING REVENUES | Wholesale vehicle sales
Percentage of Sales
Item as a percent of net sales and operating revenues	17.90%	10.60%
NET SALES AND OPERATING REVENUES | Total other sales and revenues
Percentage of Sales
Item as a percent of net sales and operating revenues	2.20%	3.10%
TOTAL COST OF SALES | Used vehicle sales
Percentage of Sales
Item as a percent of net sales and operating revenues	72.20%	78.20%
TOTAL COST OF SALES | Wholesale vehicle sales
Percentage of Sales
Item as a percent of net sales and operating revenues	15.40%	8.70%
TOTAL COST OF SALES | Total other sales and revenues
Percentage of Sales
Item as a percent of net sales and operating revenues	0.30%	2.10%