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STOCKHOLDERS' EQUITY | 12 Months Ended
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Jan. 31, 2015
Equity [Abstract] |
STOCKHOLDERS' EQUITY | NOTE H — STOCKHOLDERS’ EQUITY Public Offering In June 2014, the Company sold 1,725,000 shares of its common stock, including 225,000 shares sold pursuant to the exercise in full of the underwriters’ option to purchase additional shares, at a public offering price of  $77.63 per share. The Company received net proceeds of  $128.7 million from the offering after payment of underwriting discounts and expenses of the offering. The net proceeds are currently being used for general corporate purposes. Share Repurchase Program In September 2011, the Company’s board of directors authorized a program to repurchase up to two million shares of its common stock. The timing and actual number of shares repurchased will depend upon a number of factors, including market conditions and prevailing stock prices. Share repurchases may take place on the open market, in privately negotiated transactions or by other means, and would be made in accordance with applicable securities laws. Pursuant to the share repurchase program, during fiscal 2012, the Company repurchased 125,000 shares of its common stock for an aggregate purchase price of approximately $2.9 million. Repurchased shares are accounted for as treasury stock at cost and will be held in treasury for future use. The Company did not repurchase any shares during fiscal 2015. The Company’s credit agreement permits the Company to make payments for cash dividends, stock redemptions and share repurchases subject to compliance with certain covenants. Stock Plan As of January 31, 2015, the Company has 480,683 shares available for grant under its stock plan. The plan provides for the grant of equity and cash awards, including restricted stock awards, stock options and other stock unit awards to directors, officers and employees. Restricted stock unit awards vest over a three to five year period. In addition to the time vesting condition, these awards may include market and performance conditions, including a price vesting performance condition and, in certain cases, an earnings after taxes or net income per diluted share performance target. It is the Company’s policy to grant stock options at prices not less than the fair market value on the date of the grant. Option terms, vesting and exercise periods vary, except that the term of an option may not exceed ten years. Restricted Stock
|  | Awards Outstanding |  |  | Weighted Average Grant Date Fair Value |
Unvested as of January 31, 2013 |  |  | 1,056,731 |  |  | $ | 29.01 |
Granted |  |  | 315,750 |  |  | $ | 51.96 |
Vested |  |  | (236,316 | ) |  | $ | 22.04 |
Canceled |  |  | (15,988 | ) |  | $ | 29.01 |
Unvested as of January 31, 2014 |  |  | 1,120,177 |  |  | $ | 36.95 |
Granted |  |  | 261,085 |  |  | $ | 68.51 |
Vested |  |  | (333,531 | ) |  | $ | 28.16 |
Canceled |  |  | (2,025 | ) |  | $ | 54.88 |
Unvested as of January 31, 2015 |  |  | 1,045,706 |  |  | $ | 47.59 |
For restricted shares with market price conditions, the Company estimates the grant date fair value using a lattice model. This valuation is performed with the assistance of a third party valuation specialist. For restricted shares with no market price conditions, shares are valued at the market price on the date of grant. The Company recognized $11.6 million, $9.2 million and $7.0 million in compensation expense for the years ended January 31, 2015, 2014 and 2013, respectively, related to restricted stock grants. At January 31, 2015, 2014 and 2013, unrecognized costs related to the restricted stock units totaled approximately $32.2 million, $26.1 million and $21.4 million, respectively. Stock Options Information regarding all stock options for fiscal 2015, 2014 and 2013 is as follows:
|  | 2015 |  |  | 2014 |  |  | 2013 |
|  | Shares |  |  | Weighted Average Exercise |  |  | Shares |  |  | Weighted Average Exercise |  |  | Shares |  |  | Weighted Average Exercise |
Stock options outstanding at beginning of year |  |  | 268,488 |  |  | $ | 22.21 |  |  |  | 382,054 |  |  | $ | 20.79 |  |  |  | 417,722 |  |  | $ | 16.59 |
Exercised |  |  | (33,900 | ) |  | $ | 21.51 |  |  |  | (109,766 | ) |  | $ | 17.36 |  |  |  | (120,518 | ) |  | $ | 11.82 |
Granted |  |  | — |  |  | $ | — |  |  |  | — |  |  | $ | — |  |  |  | 85,000 |  |  | $ | 28.72 |
Cancelled or forfeited |  |  | — |  |  | $ | — |  |  |  | (3,800 | ) |  | $ | 19.39 |  |  |  | (150 | ) |  | $ | 18.40 |
Stock options outstanding at end of year |  |  | 234,588 |  |  | $ | 22.32 |  |  |  | 268,488 |  |  | $ | 22.21 |  |  |  | 382,054 |  |  | $ | 20.79 |
Exercisable |  |  | 125,088 |  |  | $ | 17.26 |  |  |  | 159,238 |  |  | $ | 18.65 |  |  |  | 224,121 |  |  | $ | 16.89 |
The following table summarizes information about stock options outstanding:
Range of Exercise Prices |  | Number Outstanding as of January 31, 2015 |  |  | Weighted Average Remaining Contractual Life |  |  | Weighted Average Exercise Price |  |  | Number Exercisable as of January 31, 2015 |  |  | Weighted Average Exercise Price |
$8.00 –  $12.00 |  |  | 11,400 |  |  |  | 3.41 |  |  | $ | 10.18 |  |  |  | 11,400 |  |  | $ | 10.18 |
$12.01 –  $16.00 |  |  | 49,100 |  |  |  | 3.07 |  |  | $ | 13.55 |  |  |  | 49,100 |  |  | $ | 13.55 |
$16.01 –  $40.00 |  |  | 174,088 |  |  |  | 5.91 |  |  | $ | 25.58 |  |  |  | 64,588 |  |  | $ | 21.32 |
|  |  | 234,588 |  |  |  |  |  |  |  |  |  |  |  | 125,088 |  |  |  |  |
The fair value of stock options was estimated using the Black-Scholes option-pricing model. This model requires the input of subjective assumptions that will usually have a significant impact on the fair value estimate. No stock options were granted during the year ended January 31, 2015 and the year ended January 31, 2014. The following table summarizes the weighted average assumptions used in the Black-Scholes option pricing model for grants in fiscal 2013:
|  | 2013
Expected stock price volatility |  | 58.2%  –  68.5%
Expected lives of options |  |
Directors and officers |  | 7 years
Employees |  | 6 years
Risk-free interest rate |  | 0.3%  –  0.6%
Expected dividend yield |  | 0%
The weighted average volatility for the current period was developed using historical volatility for periods equal to the expected term of the options. The risk-free interest rate was developed using the U.S. Treasury yield curve for periods equal to the expected term of the options on the grant date. An increase in the risk-free interest rate will increase stock compensation expense. The dividend yield is a ratio that estimates the expected dividend payments to shareholders. The Company has not declared a cash dividend and has estimated dividend yield at 0%. The expected term of stock option grants was developed after considering vesting schedules, life of the option, and historical experience. An increase in the expected holding period will increase stock compensation expense. The Company is required to recognize stock-based compensation based on the number of awards that are ultimately expected to vest. As a result, for most awards, recognized stock compensation was reduced for estimated forfeitures prior to vesting primarily based on an historical annual forfeiture rate. Estimated forfeitures will be reassessed in subsequent periods and may change based on new facts and circumstances. The weighted average remaining term for stock options outstanding was 5.2 years at January 31, 2015. The aggregate intrinsic value at January 31, 2015 was $17.6 million for stock options outstanding and $10.0 million for stock options exercisable. The intrinsic value for stock options is calculated based on the exercise price of the underlying awards and the market price of the Company’s common stock as of January 31, 2015, the reporting date. Proceeds received from the exercise of stock options were approximately $729,000 and $1.9 million during the years ended January 31, 2015 and 2014, respectively. The intrinsic value of stock options exercised was $2.0 million and $4.0 million for the years ended January 31, 2015 and 2014, respectively. A portion of this amount is currently deductible for tax purposes. The Company recognized approximately $541,000 in compensation expense for the year ended January 31, 2015, $680,000 for the year ended January 31, 2014 and $1.0 million for the year ended January 31, 2013, related to equity option award grants. As of January 31, 2015, approximately $533,000 to unrecognized stock compensation related to unvested option awards (net of estimated forfeitures) is expected to be recognized through the year ending January 31, 2017. No options were granted during fiscal 2015 and 2014. The weighted average fair value at date of grant for options granted during fiscal 2013 was $12.06 per option.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d),(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section C Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Article 4 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Preferred Stock -URI http://asc.fasb.org/extlink&oid=6521494 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 Reference 16: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 Reference 17: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 18: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 Reference 19: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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