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STOCK-BASED COMPENSATION (Tables) | 9 Months Ended
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Oct. 31, 2015
STOCK-BASED COMPENSATION |
Summary of Activity under Company's Stock Option Plans |
|  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Term (years) |  | Weighted Average Fair Value |
Outstanding, February 1, 2015 |  | 876,350 |  | $ | 22.34 |  | 7.08 |  | $ | 6.01 |
Granted |  | 240,000 |  | $ | 35.76 |  |  |  |  |
Exercised |  | (96,450 | ) | $ | 17.31 |  |  |  |  |
Forfeited |  | (6,000 | ) | $ | 17.33 |  |  |  |  |
Outstanding, October 31, 2015 |  | 1,013,900 |  | $ | 26.03 |  | 6.98 |  | $ | 6.82 |
Exercisable, October 31, 2015 |  | 668,900 |  | $ | 21.92 |  | 6.34 |  | $ | 5.81 |
|  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Term (years) |  | Weighted Average Fair Value |
Outstanding, February 1, 2014 |  | 916,150 |  | $ | 17.36 |  | 6.04 |  | $ | 5.58 |
Granted |  | 220,500 |  | $ | 28.84 |  |  |  |  |
Exercised |  | (243,300 | ) | $ | 15.96 |  |  |  |  |
Outstanding, October 31, 2014 |  | 893,350 |  | $ | 20.57 |  | 6.52 |  | $ | 5.87 |
Exercisable, October 31, 2014 |  | 597,850 |  | $ | 16.73 |  | 5.77 |  | $ | 5.58 |
Summary of Change in Number of Non-Vested Options to Purchase Shares of Common Stock |
|  | Shares |  | Weighted Average Fair Value |
Nonvested, February 1, 2015 |  | 305,500 |  | $ | 7.14 |
Granted |  | 240,000 |  | $ | 9.13 |
Vested |  | (220,500 | ) | $ | 6.60 |
Nonvested, October 31, 2015 |  | 325,000 |  | $ | 8.97 |
|  | Shares |  | Weighted Average Fair Value |
Nonvested, February 1, 2014 |  | 303,000 |  | $ | 4.40 |
Granted |  | 220,500 |  | $ | 6.60 |
Vested |  | (228,000 | ) | $ | 3.85 |
Nonvested, October 31, 2014 |  | 295,500 |  | $ | 6.47 |
Summary of Assumptions Used to Estimate Fair Value of Stock Options Granted |
|  | Nine Months Ended October 31, |
|  | 2015 |  | 2014 |
Dividend yield |  | 1.97 | % | 2.61 | %
Expected volatility |  | 34.72 | % | 33.49 | %
Risk-free interest rate |  | 1.26 | % | 1.20 | %
Expected life in years |  | 4.69 |  | 4.67 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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