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SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) | 12 Months Ended
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Sep. 30, 2018
SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) |
SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) | NOTE 18 SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) (in thousands, except per share amounts)
2018 |  | First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter |  | Total (1)
Operating revenues |  | $ | 564,087 |  | $ | 577,484 |  | $ | 648,872 |  | $ | 696,825 |  | $ | 2,487,268
Operating income (loss) |  |  | 3,520 |  |  | (1,253) |  |  | 6,217 |  |  | 23,118 |  |  | 31,602
Income (loss) from continuing operations |  |  | 500,642 |  |  | (1,633) |  |  | (8,174) |  |  | 2,175 |  |  | 493,010
Net income (loss) |  |  | 500,106 |  |  | (11,879) |  |  | (8,008) |  |  | 2,453 |  |  | 482,672
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  |  | 4.57 |  |  | (0.03) |  |  | (0.08) |  |  | 0.02 |  |  | 4.49
Net income (loss) |  |  | 4.57 |  |  | (0.12) |  |  | (0.08) |  |  | 0.02 |  |  | 4.39
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  |  | 4.55 |  |  | (0.03) |  |  | (0.08) |  |  | 0.02 |  |  | 4.47
Net income (loss) |  |  | 4.55 |  |  | (0.12) |  |  | (0.08) |  |  | 0.02 |  |  | 4.37
| (1) |  | The sum of earnings per share for the four quarters may not equal the total earnings per share for the fiscal year due to changes in the average number of common shares outstanding.
In the first quarter of fiscal year 2018, net income includes a tax benefit of approximately $502.1 million, or $4.59 per share on a diluted basis, an after-tax gain from the sale of assets of $4.2 million, or $0.04 per share on a diluted basis. In the second quarter of fiscal year 2018, net loss includes an after-tax gain from the sale of assets of $3.8 million, or $0.04 per share on a diluted basis. In the third quarter of fiscal year 2018, net loss includes an after-tax gain from the sale of assets of $3.1 million, or $0.02 per share on a diluted basis. In the fourth quarter of fiscal year 2018, net loss includes an after-tax gain from the sale of assets of $5.5 million, or $0.05 per share on a diluted basis and an after-tax loss from asset impairments of approximately $17.2 million, or $0.16 per share on a diluted basis.
2017 |  | First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter |  | Total (1)
Operating revenues |  | $ | 368,590 |  | $ | 405,283 |  | $ | 498,564 |  | $ | 532,304 |  | $ | 1,804,741
Operating loss |  |  | (49,164) |  |  | (65,672) |  |  | (28,028) |  |  | (29,677) |  |  | (172,541)
Loss from continuing operations |  |  | (34,554) |  |  | (48,473) |  |  | (23,125) |  |  | (21,711) |  |  | (127,863)
Net loss |  |  | (35,063) |  |  | (48,818) |  |  | (21,799) |  |  | (22,532) |  |  | (128,212)
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss from continuing operations |  |  | (0.33) |  |  | (0.45) |  |  | (0.22) |  |  | (0.20) |  |  | (1.20)
Net loss |  |  | (0.33) |  |  | (0.45) |  |  | (0.21) |  |  | (0.21) |  |  | (1.20)
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss from continuing operations |  |  | (0.33) |  |  | (0.45) |  |  | (0.22) |  |  | (0.20) |  |  | (1.20)
Net loss |  |  | (0.33) |  |  | (0.45) |  |  | (0.21) |  |  | (0.21) |  |  | (1.20)
| (1) |  | The sum of earnings per share for the four quarters may not equal the total earnings per share for the year due to changes in the average number of common shares outstanding.
In the first quarter of fiscal year 2017, net loss includes an after-tax gain from the sale of assets of $0.6 million, or $0.01 per share on a diluted basis. In the second quarter of fiscal year 2017, net loss includes an after-tax gain from the sale of assets of $10.1 million, or $0.09 per share on a diluted basis. In the third quarter of fiscal year 2017, net loss includes an after-tax gain from the sale of assets of $1.3 million, or $0.01 per share on a diluted basis. In the fourth quarter of fiscal year 2017, net loss includes an after-tax gain from the sale of assets of $2.3 million, or $0.02 per share on a diluted basis.

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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