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Quarterly Results of Operations (Tables) | 12 Months Ended
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Aug. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Results |
|  | First |  |  | Second |  |  | Third |  |  | Fourth |
($ in thousands, except per share amounts) |  | Quarter |  |  | Quarter |  |  | Quarter |  |  | Quarter |
Year ended August 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  | $ | 111,951 |  |  | $ | 109,182 |  |  | $ | 121,054 |  |  | $ | 101,885 |
Cost of operating revenues |  | $ | 83,303 |  |  | $ | 84,708 |  |  | $ | 91,055 |  |  | $ | 70,398 |
Earnings (loss) before income taxes |  | $ | 1,681 |  |  | $ | (5,068 | ) |  | $ | 3,229 |  |  | $ | 2,265 |
Net earnings (loss) |  | $ | 1,212 |  |  | $ | (3,440 | ) |  | $ | 2,897 |  |  | $ | 1,503 |
Diluted net earnings (loss) per share |  | $ | 0.11 |  |  | $ | (0.32 | ) |  | $ | 0.27 |  |  | $ | 0.14 |
Year ended August 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  | $ | 124,526 |  |  | $ | 130,339 |  |  | $ | 169,571 |  |  | $ | 123,269 |
Cost of operating revenues |  | $ | 92,129 |  |  | $ | 95,023 |  |  | $ | 118,093 |  |  | $ | 90,998 |
Earnings before income taxes |  | $ | 4,792 |  |  | $ | 5,676 |  |  | $ | 17,445 |  |  | $ | 5,940 |
Net earnings |  | $ | 3,185 |  |  | $ | 1,735 |  |  | $ | 10,379 |  |  | $ | 4,978 |
Diluted net earnings per share |  | $ | 0.30 |  |  | $ | 0.16 |  |  | $ | 0.96 |  |  | $ | 0.46 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118952077&loc=d3e1280-108306 + Details
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