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Basic and Diluted Earnings Per Share | 6 Months Ended
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Oct. 31, 2012
Basic and Diluted Earnings Per Share | 2. Basic and Diluted Earnings Per Share Basic earnings per common share was computed by dividing net earnings attributable to common stockholders by the weighted-average number of common shares outstanding. Diluted earnings per common share reflects the potential dilution that would occur if all in-the-money outstanding options or other contracts to issue common stock were exercised or converted and was computed by dividing net earnings attributable to common stockholders by the weighted-average number of common shares outstanding plus dilutive common equivalent shares. During the three and six months ended October 31, 2012, options to purchase 0.6 million shares were outstanding but not included in the computation of diluted earnings per share because they were anti-dilutive. During the three and six months ended October 31, 2011, options to purchase 0.7 million shares and 0.4 million shares, respectively, were outstanding but not included in the computation of diluted earnings per share because they were anti-dilutive. The following table summarizes basic and diluted earnings per share calculations:
|  | Three Months Ended October 31, |  |  | Six Months Ended October 31, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
|  | (in thousands, except per share data) |
Net earnings attributable to common stockholders |  | $ | 1,196 |  |  | $ | 15,147 |  |  | $ | 11,614 |  |  | $ | 30,558 |
Weighted-average common shares outstanding: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted-average number of common shares outstanding |  |  | 47,269 |  |  |  | 46,499 |  |  |  | 47,040 |  |  |  | 46,234 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock |  |  | 397 |  |  |  | 392 |  |  |  | 442 |  |  |  | 573 |
Stock options |  |  | 168 |  |  |  | 219 |  |  |  | 176 |  |  |  | 329 |
ESPP |  |  | — |  |  |  | 4 |  |  |  | — |  |  |  | 15 |
Diluted weighted-average number of common shares outstanding |  |  | 47,834 |  |  |  | 47,114 |  |  |  | 47,658 |  |  |  | 47,151 |
Net earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic earnings per share |  | $ | 0.03 |  |  | $ | 0.33 |  |  | $ | 0.25 |  |  | $ | 0.66 |
Diluted earnings per share |  | $ | 0.03 |  |  | $ | 0.32 |  |  | $ | 0.24 |  |  | $ | 0.65 |

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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 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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