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Note 15 - Earnings Per Share | 12 Months Ended
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Jan. 31, 2018
Notes to Financial Statements |
Earnings Per Share [Text Block] | Note 15 - Earnings Per Share The following table sets forth the computation of basic and diluted earnings per share (“EPS”) (number of shares in thousands):
Year Ended |  |  | January 31, 2018 |  |  |  | January 31, 2017 |  |  |  | January 31, 2016 |
Net income for purposes of calculating basic and diluted earnings per share |  |  | 26,879 |  |  |  | 23,838 |  |  |  | 20,562 |
Weighted average shares outstanding |  |  | 76,324 |  |  |  | 75,800 |  |  |  | 75,595 |
Dilutive effect of employee stock options |  |  | 167 |  |  |  | 230 |  |  |  | 452 |
Dilutive effect of restricted and performance share units |  |  | 621 |  |  |  | 485 |  |  |  | 362 |
Weighted average common and common equivalent shares outstanding |  |  | 77,112 |  |  |  | 76,515 |  |  |  | 76,409 |
Earnings per share |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 0.35 |  |  |  | 0.31 |  |  |  | 0.27 |
Diluted |  |  | 0.35 |  |  |  | 0.31 |  |  |  | 0.27 |
For the years ended January 31, 2018, 2017 and 2016, the application of the treasury stock method excluded 270,525, 145,932 and nil stock options, respectively, from the calculation of diluted EPS as the assumed proceeds from the unrecognized stock-based compensation expense of such stock options that are attributed to future service periods made such stock options anti-dilutive. For the years ended January 31, 2018, 2017 and 2016, 2,475, 25,000 and nil stock options, respectively, were excluded from the calculation of diluted EPS as those options had an exercise price greater than or equal to the average market value of our common shares during the applicable periods and their inclusion would have been anti-dilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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