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STOCK-BASED COMPENSATION | 3 Months Ended
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May 06, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
STOCK-BASED COMPENSATION | STOCK-BASED COMPENSATION The Company grants stock-based awards under its 2006 Stock Incentive Plan (the “2006 Plan”). Shares issued as a result of stock-based compensation transactions generally have been funded with the issuance of new shares of the Company’s common stock. The Company may grant the following types of incentive awards under the 2006 Plan: (i) non-qualified stock options; (ii) incentive stock options; (iii) stock appreciation rights; (iv) restricted stock; (v) restricted stock units (“RSUs”); (vi) performance shares; (vii) performance share units (“PSUs”); and (viii) other stock-based awards. Each award granted under the 2006 Plan is subject to an award agreement that incorporates, as applicable, the exercise price, the term of the award, the periods of restriction, the number of shares to which the award pertains, performance periods and performance measures, and such other terms and conditions as the plan committee determines. Awards granted under the 2006 Plan are classified as equity awards, which are recorded in stockholders’ equity in the Company’s Consolidated Balance Sheets. Through May 6, 2018, the Company has granted under the 2006 Plan (i) service-based non-qualified stock options (“stock options”), RSUs and restricted stock; and (ii) contingently issuable PSUs and RSUs. All restricted stock granted by the Company was fully vested at the end of 2015. According to the terms of the 2006 Plan, for purposes of determining the number of shares available for grant, each share underlying a stock option award reduces the number available by one share and each share underlying a RSU or PSU reduces the number available by two shares. Net income for the thirteen weeks ended May 6, 2018 and April 30, 2017 included $11.6 million and $8.7 million, respectively, of pre-tax expense related to stock-based compensation, with related recognized income tax benefits of $2.3 million and $2.7 million, respectively. The Company receives a tax deduction for certain transactions associated with its stock-based plan awards. The actual income tax benefits realized from these transactions during the thirteen weeks ended May 6, 2018 and April 30, 2017 were $11.7 million and $5.5 million, respectively. The tax benefits realized included discrete net excess tax benefits of $4.5 million recognized in the Company’s provision for income taxes during the thirteen weeks ended May 6, 2018. The discrete net excess tax deficiencies recognized in the Company’s provision for income taxes during the thirteen weeks ended April 30, 2017 were immaterial. Stock Options Stock options granted to employees are generally exercisable in four equal annual installments commencing one year after the date of grant. The underlying stock option award agreements generally provide for accelerated vesting upon the award recipient’s retirement (as defined in the 2006 Plan). Such stock options are granted with a 10-year term and the per share exercise price cannot be less than the closing price of the common stock on the date of grant. The Company estimates the fair value of stock options at the date of grant using the Black-Scholes-Merton model. The estimated fair value of the stock options granted is expensed over the stock options’ vesting periods. The following summarizes the assumptions used to estimate the fair value of stock options granted during the thirteen weeks ended May 6, 2018 and April 30, 2017:
| Thirteen Weeks Ended
| 5/6/18 |  | 4/30/17
Weighted average risk-free interest rate | 2.78 | % |  | 2.10 | %
Weighted average expected stock option term (in years) | 6.25 |  |  | 6.25 |
Weighted average Company volatility | 26.92 | % |  | 29.46 | %
Expected annual dividends per share | $ | 0.15 |  |  | $ | 0.15 |
Weighted average grant date fair value per stock option | $ | 51.66 |  |  | $ | 33.50 |
The risk-free interest rate is based on United States Treasury yields in effect at the date of grant for periods corresponding to the expected stock option term. The expected stock option term represents the weighted average period of time that stock options granted are expected to be outstanding, based on vesting schedules and the contractual term of the stock options. Company volatility is based on the historical volatility of the Company’s common stock over a period of time corresponding to the expected stock option term. Expected dividends are based on the Company’s common stock cash dividend rate at the date of grant. The Company has continued to utilize the simplified method to estimate the expected term for its “plain vanilla” stock options granted due to a lack of relevant historical data resulting, in part, from changes in the pool of employees receiving stock option grants. The Company will continue to evaluate the appropriateness of utilizing such method. Stock option activity for the thirteen weeks ended May 6, 2018 was as follows:
(In thousands, except per stock option data) | Stock Options |  | Weighted Average Exercise Price Per Stock Option
Outstanding at February 4, 2018 | 921 |  |  | $ | 102.18 |
Granted | 86 |  |  | 158.53 |
Exercised | 132 |  |  | 100.76 |
Cancelled | 3 |  |  | 101.33 |
Outstanding at May 6, 2018 | 872 |  |  | $ | 107.95 |
Exercisable at May 6, 2018 | 526 |  |  | $ | 102.69 |
RSUs RSUs granted to employees since 2016 generally vest in four equal annual installments commencing one year after the date of grant. Outstanding RSUs granted to employees prior to 2016 generally vest in three annual installments of 25%, 25% and 50% commencing two years after the date of grant. Service-based RSUs granted to non-employee directors vest in full one year after the date of grant. The underlying RSU award agreements (excluding agreements for non-employee director awards) generally provide for accelerated vesting upon the award recipient’s retirement (as defined in the 2006 Plan). The fair value of RSUs is equal to the closing price of the Company’s common stock on the date of grant and is expensed over the RSUs’ vesting periods. RSU activity for the thirteen weeks ended May 6, 2018 was as follows:
(In thousands, except per RSU data) | RSUs |  | Weighted Average Grant Date Fair Value Per RSU
Non-vested at February 4, 2018 | 917 |  |  | $ | 103.90 |
Granted | 281 |  |  | 158.94 |
Vested | 273 |  |  | 107.35 |
Cancelled | 13 |  |  | 102.72 |
Non-vested at May 6, 2018 | 912 |  |  | $ | 119.81 |
PSUs Contingently issuable PSUs granted to certain of the Company’s senior executives since 2015 are subject to a three-year performance period. For such awards, the final number of shares to be earned, if any, is contingent upon the Company’s achievement of goals for the applicable performance period, of which 50% is based upon the Company’s absolute stock price growth during the applicable performance period and 50% is based upon the Company’s total shareholder return during the applicable performance period relative to other companies included in the S&P 500 as of the date of grant. For awards granted in 2015, the three-year performance period ended during the first quarter of 2018. Holders of the awards earned an aggregate of 78,000 shares, which was between the target and maximum levels. The Company records expense ratably over the applicable vesting period regardless of whether the market condition is satisfied because the awards are subject to market conditions. The fair value of the awards granted was established for each grant on the grant date using the Monte Carlo simulation model, which was based on the following assumptions:
| 2018 |  | 2017
Risk-free interest rate | 2.62 | % |  | 1.49 | %
Expected Company volatility | 29.78 | % |  | 31.29 | %
Expected annual dividends per share | $ | 0.15 |  |  | $ | 0.15 |
Weighted average grant date fair value per PSU | $ | 159.53 |  |  | $ | 96.81 |
Certain of the awards granted in 2018, 2017 and 2016 are subject to a holding period of one year after the vesting date. For such awards, the grant date fair value was discounted 7.09% in 2018 and 12.67% in 2017 for the restriction of liquidity, which was calculated using the Chaffe model. PSU activity for the thirteen weeks ended May 6, 2018 was as follows:
(In thousands, except per PSU data) | PSUs |  | Weighted Average Grant Date Fair Value Per PSU
Non-vested at February 4, 2018 | 197 |  |  | $ | 93.97 |
Granted at target | 44 |  |  | 159.53 |
Change due to market condition achieved above target | 32 |  |  | 101.23 |
Vested | 78 |  |  | 101.23 |
Cancelled | — |  |  | — |
Non-vested at May 6, 2018 | 195 |  |  | $ | 107.03 |

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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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