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Capital Stock and Share Repurchase (Tables) | 6 Months Ended
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Feb. 28, 2017
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The reconciliation between basic and diluted earnings per share is as follows (in thousands, except per share amounts):
| Three Months Ended |  | Six Months Ended
| February 28, 2017 |  | February 29, 2016 |  | February 28, 2017 |  | February 29, 2016
Numerator: |  |  |  |  |  |  |
Net earnings (loss) | $ | 5,074 |  |  | $ | (159,190 | ) |  | $ | 10,039 |  |  | $ | (143,742 | )
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding - basic | 59,368 |  |  | 58,991 |  |  | 59,170 |  |  | 59,089 |
Net effect of dilutive securities - stock based compensation plans | 778 |  |  | — |  |  | 711 |  |  | — |
Weighted average common shares outstanding - diluted | 60,146 |  |  | 58,991 |  |  | $ | 59,881 |  |  | $ | 59,089 |
Basic earnings (loss) per share | $ | 0.09 |  |  | $ | (2.70 | ) |  | $ | 0.17 |  |  | $ | (2.43 | )
Diluted earnings (loss) per share | 0.08 |  |  | (2.70 | ) |  | 0.17 |  |  | (2.43 | )
Anti-dilutive securities from stock based compensation plans (excluded from earnings per share calculation) | 2,011 |  |  | 5,146 |  |  | 1,987 |  |  | 5,146 |

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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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