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Earnings Per Share | 3 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Earnings Per Share | NOTE L – EARNINGS PER SHARE The following is the computation of basic and diluted earnings per share (EPS) from continuing operations attributable to Ashland. Stock appreciation rights (SARs), stock options and warrants available to purchase shares outstanding for each reporting period whose grant price was greater than the average market price of Ashland Common Stock for each applicable period were not included in the computation of income from continuing operations per diluted share because the effect of these instruments would be antidilutive. The total number of these shares outstanding was approximately 1.0 million and 0.7 million at December 31, 2018 and 2017, respectively. Earnings per share is reported under the treasury stock method.
| Three months ended |
| December 31 |
(In millions, except per share data) | 2018 |  |  | 2017 |
Numerator |  |  |  |  |  |  |
Numerator for basic and diluted EPS - |  |  |  |  |  |  |
Loss from continuing operations | $ | (71 | ) |  | $ | (32 | )
Denominator |  |  |  |  |  |  |
Denominator for basic EPS - Weighted- average common shares outstanding |  | 63 |  |  |  | 62 |
Share based awards convertible to common shares (a) |  | — |  |  |  | — |
Denominator for diluted EPS - Adjusted weighted- average shares and assumed conversions |  | 63 |  |  |  | 62 |
EPS from continuing operations |  |  |  |  |  |  |
Basic | $ | (1.14 | ) |  | $ | (0.51 | )
Diluted |  | (1.14 | ) |  |  | (0.51 | )
| (a) | As a result of the loss from continuing operations attributable to Ashland during the three months ended December 31, 2018 and 2017, the effect of the share-based awards convertible to common shares would be antidilutive. In accordance with U.S. GAAP, they have been excluded from the diluted EPS calculation. |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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