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Capital Stock (Tables) | 12 Months Ended
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Aug. 31, 2016
Earnings Per Share [Abstract] |
Basic and Diluted Earnings Per Share | The following table sets forth the computation of basic and diluted earnings (loss) per share (in thousands, except per share amounts):
| Year Ended August 31,
| 2016 |  | 2015 |  | 2014
Numerator: |  |  |  |  |
Net earnings (loss) | $ | (105,174 | ) |  | $ | 19,872 |  |  | $ | 163,573 |
Denominator: |  |  |  |  |
Weighted average common shares outstanding - basic | 59,010 |  |  | 61,262 |  |  | 70,942 |
Net effect of dilutive securities - stock based compensation plans (1) | — |  |  | 793 |  |  | 1,544 |
Weighted average common shares outstanding - diluted | 59,010 |  |  | 62,055 |  |  | 72,486 |
Basic Earnings (Loss) Per Share: | $ | (1.78 | ) |  | $ | 0.32 |  |  | $ | 2.31 |
Diluted Earnings (Loss) Per Share: | $ | (1.78 | ) |  | $ | 0.32 |  |  | $ | 2.26 |
Anti-dilutive securities from stock based compensation plans (excluded from earnings per share calculation) | 4,832 |  |  | 2,056 |  |  | 522 |

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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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