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STOCK-BASED COMPENSATION PLAN (Tables) | 12 Months Ended
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Feb. 03, 2018 | Jan. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |
Schedule of Nonvested Restricted Stock Units Activity |  | The following table summarizes the status of RSUs as of February 3, 2018, and changes during the year then ended:
|  | Shares |  | Weighted Average Grant Date Fair Value
Nonvested at January 28, 2017 |  | 1,619,501 |  |  | $ | 73.43 |
Granted |  | 890,371 |  |  | 78.63 |
Vested |  | (891,791 | ) |  | 67.61 |
Forfeited |  | (92,829 | ) |  | 79.21 |
Nonvested at February 3, 2018 |  | 1,525,252 |  |  | $ | 79.37 |
Schedule of Share-based Compensation, Stock Options, Activity | The following tables summarize information about options outstanding at February 3, 2018 and changes during the year then ended.
Stock Option Activity
|  | February 3, 2018
|  |  |  | Weighted |  |  |  |
|  |  |  | Average |  | Weighted |  | Aggregate
|  |  |  | Per Share |  | Average |  | Intrinsic
|  |  |  | Exercise |  | Remaining |  | Value
|  | Shares |  | Price |  | Term |  | (in millions)
Outstanding, beginning of period |  | 1,041,435 |  |  | $ | 62.38 |  |  |  |  |
Granted |  | 8,525 |  |  | 83.54 |  |  |  |  |
Exercised |  | (494,411 | ) |  | 53.85 |  |  |  |  |
Forfeited |  | (32,466 | ) |  | 73.01 |  |  |  |  |
Outstanding, end of period |  | 523,083 |  |  | $ | 70.14 |  |  | 5.00 |  | $ | 20.2 |
Options vested at February 3, 2018 |  | 288,698 |  |  | $ | 66.56 |  |  | 4.25 |  | $ | 12.2 |
Options exercisable at end of period |  | 288,698 |  |  | $ | 66.56 |  |  | 4.25 |  | $ | 12.2 |
Schedule of options outstanding and exercisable, by range of exercise prices |
|  | Options Outstanding |  | Options Exercisable
|  | Options |  |  |  |  |  | Options |  |
Range of |  | Outstanding |  | Weighted Avg. |  | Weighted Avg. |  | Exercisable |  | Weighted Avg.
Exercise |  | at February 3, |  | Remaining |  | Exercise |  | at February 3, |  | Exercise
Prices |  | 2018 |  | Contractual Life |  | Price |  | 2018 |  | Price
$19.93 to $48.30 |  | 47,807 |  |  | 3.6 |  | $ | 32.36 |  |  | 47,807 |  |  | $ | 32.36 |
$48.31 to $68.70 |  | 33,030 |  |  | 2.0 |  | 57.95 |  |  | 30,108 |  |  | 57.53 |
$68.71 to $76.86 |  | 236,157 |  |  | 1.2 |  | 72.90 |  |  | 54,832 |  |  | 69.10 |
$76.87 to $78.45 |  | 185,805 |  |  | 6.7 |  | 76.98 |  |  | 138,465 |  |  | 76.98 |
$78.46 to $107.31 |  | 20,284 |  |  | 6.7 |  | 84.19 |  |  | 17,486 |  |  | 85.06 |
$19.93 to $107.31 |  | 523,083 |  |  | 5.0 |  | $ | 70.14 |  |  | 288,698 |  |  | $ | 66.56 |
Weighted average assumptions | The weighted average assumptions used in the Black-Scholes option pricing model for awards granted to certain officers in 2016 and converted awards in 2015 are as follows:
|  | Fiscal 2016 |  | Fiscal 2015
Expected term in years |  | 6.50 |  |  | 2.03 |
Expected volatility |  | 24.51 | % |  | 20.77 | %
Annual dividend yield |  | — | % |  | — | %
Risk free interest rate |  | 2.09 | % |  | 0.60 | %
Weighted-average fair value of options granted during the period |  | $ | 22.10 |  |  | $ | 23.15 |
The fair value of the employees' purchase rights is estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted average assumptions:
| Fiscal 2017 |  | Fiscal 2016 |  | Fiscal 2015
Expected term | 3 months |  | 3 months |  | 3 months
Expected volatility | 10.9 | % |  | 14.6 | % |  | 13.2 | %
Annual dividend yield | — | % |  | — | % |  | — | %
Risk free interest rate | 1.1 | % |  | 0.4 | % |  | 0.2 | %

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