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Stock and Stock-Based Incentive Plans Stock And Stock-Based Incentive Plans | 3 Months Ended
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May 31, 2018
Share-based Compensation [Abstract] |
Stock and Stock-Based Incentive Plans | Stock and Stock-Based Incentive Plans (A) Share Repurchase Program As of May 31, 2018, a total of $2.75 billion of board authorizations for repurchases of our common stock were outstanding, with no expiration date. At that date, $809.5 million remained available for repurchase. Common Stock Repurchases
| Three Months Ended
| May 31
| 2018 |  | 2017
Number of shares repurchased (in thousands) | 3,307.6 |  |  | 3,034.7 |
Average cost per share | $ | 62.69 |  |  | $ | 60.00 |
Available for repurchase, as of end of period (in millions) | $ | 809.5 |  |  | $ | 1,408.3 |
(B) Stock Incentive Plans We maintain long-term incentive plans for management, certain employees and the nonemployee members of our board of directors. The plans allow for the granting of equity-based compensation awards, including nonqualified stock options, incentive stock options, stock appreciation rights, restricted stock awards, stock- and cash-settled restricted stock units, stock grants or a combination of awards. To date, we have not awarded any incentive stock options. The majority of associates who receive share-based compensation awards primarily receive cash-settled restricted stock units. Senior management and other key associates receive awards of nonqualified stock options, stock-settled restricted stock units and/or restricted stock awards. Nonemployee directors receive awards of nonqualified stock options, stock grants and/or restricted stock awards. Excluding stock grants, all share-based compensation awards, including any associated dividend rights, are subject to forfeiture. Nonqualified Stock Options. Nonqualified stock options are awards that allow the recipient to purchase shares of our common stock at a fixed price. Stock options are granted at an exercise price equal to the fair market value of our common stock on the grant date. The stock options generally vest annually in equal amounts over 4 years. These options expire 7 years after the date of the grant. Cash-Settled Restricted Stock Units. Cash-settled restricted stock units (“RSUs”) are restricted stock unit awards that entitle the holder to a cash payment equal to the fair market value of a share of our common stock for each unit granted. Conversion generally occurs at the end of a three-year vesting period. However, the cash payment per RSU will not be greater than 200% or less than 75% of the fair market value of a share of our common stock on the grant date. The initial grant date fair values are based on the volume-weighted average prices of our common stock on the grant dates. RSUs are liability awards and do not have voting rights. Stock-Settled Market Stock Units. Market stock units (“MSUs”) are restricted stock unit awards with market conditions granted to eligible key associates that are converted into between zero and two shares of common stock for each unit granted. Conversion generally occurs at the end of a three-year vesting period. The conversion ratio is calculated by dividing the average closing price of our stock during the final 40 trading days of the three-year vesting period by our stock price on the grant date, with the resulting quotient capped at two. This quotient is then multiplied by the number of MSUs granted to yield the number of shares awarded. The grant date fair values are determined using a Monte-Carlo simulation and are based on the expected market price of our common stock on the vesting date and the expected number of converted common shares. MSUs do not have voting rights. Other Share-Based Incentives Stock-Settled Performance Stock Units. Performance stock units (“PSUs”) are restricted stock unit awards with performance conditions granted to eligible key associates that are converted into between zero and two shares of common stock for each unit granted. Conversion generally occurs at the end of a three-year vesting period. The conversion ratio is based on the company reaching certain target levels set by the board of directors for cumulative three-year earnings before interest and taxes or cumulative three-year pretax diluted earnings per share at the end of the three-year period, with the resulting quotient subject to meeting a minimum 25% threshold and capped at 200%. This quotient is then multiplied by the number of PSUs granted to yield the number of shares awarded. The grant date fair values are based on the volume-weighted average prices of our common stock on the grant dates. PSUs do not have voting rights. As of May 31, 2018, 156,680 PSUs were outstanding at a weighted average grant date fair value per share of $54.80. Restricted Stock Awards. Restricted stock awards (“RSAs”) are awards of our common stock that are subject to specified restrictions that generally lapse after a one- to three-year period from date of grant. The grant date fair values are based on the volume-weighted average prices of our common stock on the grant dates. Participants holding restricted stock are entitled to vote on matters submitted to holders of our common stock for a vote. As of May 31, 2018, 36,211 RSAs were outstanding at a weighted average grant date fair value per share of $56.62. (C) Share-Based Compensation Composition of Share-Based Compensation Expense
| Three Months Ended
| May 31
(In thousands) | 2018 |  | 2017
Cost of sales | $ | 1,291 |  |  | $ | 227 |
CarMax Auto Finance income | 1,197 |  |  | 820 |
Selling, general and administrative expenses | 26,977 |  |  | 18,093 |
Share-based compensation expense, before income taxes | $ | 29,465 |  |  | $ | 19,140 |
Composition of Share-Based Compensation Expense – By Grant Type
| Three Months Ended
| May 31
(In thousands) | 2018 |  | 2017
Nonqualified stock options | $ | 11,115 |  |  | $ | 10,370 |
Cash-settled restricted stock units (RSUs) | 12,354 |  |  | 3,118 |
Stock-settled market stock units (MSUs) | 4,636 |  |  | 3,621 |
Other share-based incentives: |  |  |
Stock-settled performance stock units (PSUs) | 406 |  |  | 1,353 |
Restricted stock (RSAs) | 487 |  |  | 414 |
Employee stock purchase plan | 467 |  |  | 264 |
Total other share-based incentives | $ | 1,360 |  |  | $ | 2,031 |
Share-based compensation expense, before income taxes | $ | 29,465 |  |  | $ | 19,140 |
Unrecognized Share-Based Compensation Expense – By Grant Type
| As of May 31, 2018
|  |  | Weighted Average
| Unrecognized |  | Remaining
| Compensation |  | Recognition Life
(Costs in millions) | Costs |  | (Years)
Nonqualified stock options | $ | 55.9 |  |  | 2.7
Stock-settled market stock units | 21.0 |  |  | 1.9
Other share-based incentives: |  |  |
Stock-settled performance stock units | 2.0 |  |  | 1.3
Restricted stock | 0.1 |  |  | 0.1
Total other share-based incentives | $ | 2.1 |  |  | 1.2
Total | $ | 79.0 |  |  | 2.5
We recognize compensation expense for stock options, MSUs, PSUs and RSAs on a straight-line basis (net of estimated forfeitures) over the requisite service period, which is generally the vesting period of the award. The PSU expense is adjusted for any change in management’s assessment of the performance target level that is probable of being achieved. The variable expense associated with RSUs is recognized over their vesting period (net of estimated forfeitures) and is calculated based on the volume-weighted average price of our common stock on the last trading day of each reporting period. The total costs for matching contributions for our employee stock purchase plan are included in share-based compensation expense. There were no capitalized share-based compensation costs as of or for the three months ended May 31, 2018 or 2017. Stock Option Activity
|  |  |  |  | Weighted |  |
|  |  | Weighted |  | Average |  |
|  |  | Average |  | Remaining |  | Aggregate
| Number of |  | Exercise |  | Contractual |  | Intrinsic
(Shares and intrinsic value in thousands) | Shares |  | Price |  | Life (Years) |  | Value
Outstanding as of February 28, 2018 | 7,762 |  |  | $ | 54.59 |  |  |  |  |  |
Options granted | 1,720 |  |  | 63.04 |  |  |  |  |  |
Options exercised | (212 | ) |  | 42.62 |  |  |  |  |  |
Options forfeited or expired | (91 | ) |  | 61.51 |  |  |  |  |
Outstanding as of May 31, 2018 | 9,179 |  |  | $ | 56.38 |  |  | 4.7 |  | $ | 121,427 |
Exercisable as of May 31, 2018 | 4,585 |  |  | $ | 53.11 |  |  | 3.6 |  | $ | 77,236 |
Stock Option Information
| Three Months Ended May 31
| 2018 |  | 2017
Options granted | 1,720,387 |  |  | 1,930,362 |
Weighted average grant date fair value per share | $ | 18.71 |  |  | $ | 16.11 |
Cash received from options exercised (in millions) | $ | 9.1 |  |  | $ | 6.6 |
Intrinsic value of options exercised (in millions) | $ | 4.2 |  |  | $ | 3.2 |
Realized tax benefits (in millions) | $ | 1.2 |  |  | $ | 1.3 |
For stock options, the fair value of each award is estimated as of the date of grant using a binomial valuation model. In computing the value of the option, the binomial model considers characteristics of fair-value option pricing that are not available for consideration under a closed-form valuation model (for example, the Black-Scholes model), such as the contractual term of the option, the probability that the option will be exercised prior to the end of its contractual life and the probability of termination or retirement of the option holder. For this reason, we believe that the binomial model provides a fair value that is more representative of actual experience and future expected experience than the value calculated using a closed-form model. Estimates of fair value are not intended to predict actual future events or the value ultimately realized by the recipients of share-based awards. Assumptions Used to Estimate Option Values
| Three Months Ended May 31
| 2018 |  | 2017
Dividend yield |  |  | 0.0 | % |  |  |  |  | 0.0 | %
Expected volatility factor (1) | 29.0 | % | - | 31.4 | % |  | 29.4 | % | - | 32.7 | %
Weighted average expected volatility |  |  |  | 29.1 | % |  |  |  |  | 29.8 | %
Risk-free interest rate (2) | 1.7 | % | - | 2.9 | % |  | 0.7 | % | - | 2.1 | %
Expected term (in years) (3) |  |  |  | 4.6 |  |  |  |  |  | 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 at the time of grant.
(3) | Represents the estimated number of years that options will be outstanding prior to exercise.
Cash-Settled Restricted Stock Unit Activity
|  |  | Weighted
|  |  | Average
| Number of |  | Grant Date
(Units in thousands) | Units |  | Fair Value
Outstanding as of February 28, 2018 | 1,460 |  |  | $ | 59.36 |
Stock units granted | 629 |  |  | $ | 63.04 |
Stock units vested and converted | (329 | ) |  | $ | 73.57 |
Stock units cancelled | (32 | ) |  | $ | 58.42 |
Outstanding as of May 31, 2018 | 1,728 |  |  | $ | 58.01 |
Cash-Settled Restricted Stock Unit Information
| Three Months Ended May 31
| 2018 |  | 2017
Stock units granted | 628,547 |  |  | 627,127 |
Initial weighted average grant date fair value per share | $ | 63.04 |  |  | $ | 58.38 |
Payments (before payroll tax withholdings) upon vesting (in millions) | $ | 20.0 |  |  | $ | 25.9 |
Realized tax benefits (in millions) | $ | 5.6 |  |  | $ | 10.4 |
Expected Cash Settlement Range Upon Restricted Stock Unit Vesting
| As of May 31, 2018
(In thousands) | Minimum (1) |  | Maximum (1)
Fiscal 2020 | $ | 19,649 |  |  | $ | 52,399 |
Fiscal 2021 | 22,359 |  |  | 59,623 |
Fiscal 2022 | 24,369 |  |  | 64,985 |
Total expected cash settlements | $ | 66,377 |  |  | $ | 177,007 |
(1) | Net of estimated forfeitures.
Stock-Settled Market Stock Unit Activity
|  |  | Weighted
|  |  | Average
| Number of |  | Grant Date
(Units in thousands) | Units |  | Fair Value
Outstanding as of February 28, 2018 | 419 |  |  | $ | 74.04 |
Stock units granted | 202 |  |  | $ | 81.86 |
Stock units vested and converted | (92 | ) |  | $ | 90.46 |
Stock units cancelled | (10 | ) |  | $ | 73.63 |
Outstanding as of May 31, 2018 | 519 |  |  | $ | 74.19 |
Stock-Settled Market Stock Unit Information
| Three Months Ended May 31
| 2018 |  | 2017
Stock units granted | 202,043 |  |  | 158,637 |
Weighted average grant date fair value per share | $ | 81.86 |  |  | $ | 73.58 |
Realized tax benefits (in millions) | $ | 1.4 |  |  | $ | 7.0 |

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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