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Earnings Per Share (Tables) | 9 Months Ended
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Jan. 31, 2014
Earnings Per Share [Abstract] |
Schedule of Numerator and Denominator Used in Computation of Earnings Per Share | The following table sets forth the numerator and denominator used in the computation of basic and diluted earnings per share (“EPS”):
|  | Three Months Ended January 31, |  |  | Nine Months Ended January 31, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss from continuing operations before discontinued operations attributable to common stockholders |  | $ | (10,750 | ) |  | $ | (11,079 | ) |  | $ | (11,187 | ) |  | $ | (39,968 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares outstanding, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class A common stock |  |  | 39,049 |  |  |  | 38,658 |  |  |  | 39,049 |  |  |  | 38,658 |
Class B common stock |  |  | 988 |  |  |  | 988 |  |  |  | 988 |  |  |  | 988 |
Unvested restricted stock |  |  | (130 | ) |  |  | (134 | ) |  |  | (130 | ) |  |  | (134 | )
Effect of weighted average shares outstanding during period |  |  | (25 | ) |  |  | (282 | ) |  |  | (118 | ) |  |  | (7,147 | )
Weighted average number of common shares - basic and diluted EPS |  |  | 39,882 |  |  |  | 39,230 |  |  |  | 39,789 |  |  |  | 32,365 |
Number of antidilutive potentially issuable shares not included in the diluted earnings per share calculations due to loss from continuing operations (1) |  |  | 2,272 |  |  |  | 1,998 |  |  |  | 2,272 |  |  |  | 1,998 |
(1) | Performance stock units are included at the expected attainment levels.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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