Stock And Stock-Based Incentive Plans (Tables)

12 Months Ended

Feb. 28, 2014

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Composition Of Share-Based Compensation Expense

	Years Ended February 28 or 29
(In thousands)	2014		2013		2012
Cost of sales	$	3,200	$	3,010	$	1,845
CarMax Auto Finance income		2,983		2,521		1,867
Selling, general and administrative expenses		61,487		57,643		45,392
Share-based compensation expense, before income taxes	$	67,670	$	63,174	$	49,104

Composition Of Share-Based Compensation Expense - By Grant Type

	Years Ended February 28 or 29
(In thousands)	2014		2013		2012
Nonqualified stock options	$	23,914	$	24,853	$	21,581
Cash-settled restricted stock units		29,551		24,268		15,435
Stock-settled restricted stock units		12,515		12,441		10,360
Employee stock purchase plan		1,190		1,062		1,015
Stock grants to non-employee directors		500		550		550
Restricted stock		―		―		163
Share-based compensation expense, before income taxes	$	67,670	$	63,174	$	49,104

Stock Option Activity

						Weighted
						Average
			Weighted			Remaining	Aggregate
	Number of		Average		Contractual		Intrinsic
(Shares and intrinsic value in thousands)	Shares		Exercise Price		Life (Years)		Value
Outstanding as of February 28, 2013		10,771	$	23.00
Options granted		1,605		42.77
Options exercised		(2,337)		19.32
Options forfeited or expired		(21)		27.58
Outstanding as of February 28, 2014		10,018	$	27.02		3.7	$	214,476
Exercisable as of February 28, 2014		5,883	$	21.06		2.6	$	161,051

Outstanding Stock Options

					As of February 28, 2014
					Options Outstanding						Options Exercisable
							Weighted
							Average		Weighted				Weighted
							Remaining		Average				Average
(Shares in thousands)					Number of		Contractual		Exercise		Number of		Exercise
Range of Exercise Prices					Shares		Life (Years)		Price		Shares		Price
$	11.43					1,512		2.1	$	11.43		1,512	$	11.43
$	13.19	-	$	19.82		1,550		1.0	$	15.66		1,550	$	15.66
$	19.98	-	$	25.39		1,580		3.1	$	25.19		1,222	$	25.13
$	25.67	-	$	32.05		2,118		5.0	$	31.62		654	$	31.45
$	32.69	-	$	49.25		3,258		5.1	$	37.56		945	$	32.84
Total						10,018		3.7	$	27.02		5,883	$	21.06

Assumptions Used To Estimate Option Values

	Years Ended February 28 or 29
	2014					2013					2012
Dividend yield				0.0	%				0.0	%				0.0	%
Expected volatility factor (1)	27.9	%	-	46.8	%	31.1	%	-	51.4	%	34.8	%	-	52.0	%
Weighted average expected volatility				44.7	%				49.4	%				49.3	%
Risk-free interest rate (2)	0.02	%	-	2.6	%	0.02	%	-	2.0	%	0.01	%	-	3.5	%
Expected term (in years)(3)				4.7					4.7					4.6

(1)Measured using historical daily price changes of our stock for a period corresponding to the term of the options and the implied volatility derived from the market prices of traded options on our stock.

(2)Based on the U.S. Treasury yield curve in effect at the time of grant.

(3)Represents the estimated number of years that options will be outstanding prior to exercise.

Cash-Settled For Restricted Stock Unit [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted Stock And Restricted Stock Unit Activity

			Weighted
			Average
	Number of		Grant Date
(Units in thousands)	Units		Fair Value
Outstanding as of February 28, 2013	1,651	$	29.90
Stock units granted	542	$	42.68
Stock units vested and converted	(565)	$	25.64
Stock units cancelled	(97)	$	34.95
Outstanding as of February 28, 2014	1,531	$	35.68

Expected Cash Settlement Range Upon Restricted Stock Unit Vesting

	As of February 28, 2014
(In thousands)	Minimum(1)		Maximum (1)
Fiscal 2015	$	11,191	$	29,843
Fiscal 2016		12,439		33,172
Fiscal 2017		14,179		37,811
Total expected cash settlements	$	37,809	$	100,826

(1)Net of estimated forfeitures.

Stock-Settled Restricted Stock Units [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted Stock And Restricted Stock Unit Activity

			Weighted
			Average
	Number of		Grant Date
(Units in thousands)	Units		Fair Value
Outstanding as of February 28, 2013	904	$	40.78
Stock units granted	238	$	52.02
Stock units vested and converted	(285)	$	36.66
Stock units cancelled	(5)	$	46.79
Outstanding as of February 28, 2014	852	$	45.26