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SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables) | 12 Months Ended
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Sep. 30, 2017
SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) |
Schedule of selected quarterly financial data (unaudited) | (in thousands, except per share amounts)
2017 |  | 1 st Quarter |  | 2 nd Quarter |  | 3 rd Quarter |  | 4 th Quarter |
Operating revenues |  | $ | 368,590 |  | $ | 405,283 |  | $ | 498,564 |  | $ | 532,304 |
Operating loss |  |  | (49,164) |  |  | (65,672) |  |  | (28,028) |  |  | (29,677) |
Loss from continuing operations |  |  | (34,554) |  |  | (48,473) |  |  | (23,125) |  |  | (21,711) |
Net loss |  |  | (35,063) |  |  | (48,818) |  |  | (21,799) |  |  | (22,532) |
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |
Loss from continuing operations |  |  | (0.33) |  |  | (0.45) |  |  | (0.22) |  |  | (0.20) |
Net loss |  |  | (0.33) |  |  | (0.45) |  |  | (0.21) |  |  | (0.21) |
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |
Loss from continuing operations |  |  | (0.33) |  |  | (0.45) |  |  | (0.22) |  |  | (0.20) |
Net loss |  |  | (0.33) |  |  | (0.45) |  |  | (0.21) |  |  | (0.21) |
2016 |  | 1 st Quarter |  | 2 nd Quarter |  | 3 rd Quarter |  | 4 th Quarter |
Operating revenues |  | $ | 487,847 |  | $ | 438,191 |  | $ | 366,486 |  | $ | 331,708 |
Operating income (loss) |  |  | 38,670 |  |  | 41,621 |  |  | (13,256) |  |  | (93,001) |
Income (loss) from continuing operations |  |  | 15,898 |  |  | 25,174 |  |  | (21,193) |  |  | (72,869) |
Net income (loss) |  |  | 16,002 |  |  | 21,205 |  |  | (21,200) |  |  | (72,835) |
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  |  | 0.15 |  |  | 0.23 |  |  | (0.20) |  |  | (0.68) |
Net income (loss) |  |  | 0.15 |  |  | 0.19 |  |  | (0.20) |  |  | (0.68) |
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  |  | 0.15 |  |  | 0.23 |  |  | (0.20) |  |  | (0.68) |
Net income (loss) |  |  | 0.15 |  |  | 0.19 |  |  | (0.20) |  |  | (0.68) |

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=84173487&loc=d3e1280-108306 + Details
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