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EARNINGS PER SHARE (Tables) | 6 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share Basic and Diluted | The following table presents the calculation of the Company's basic and diluted earnings per share for:
| Three Months Ended | Six Months Ended
| March 31, | March 31,
(Thousands, except per share amounts) | 2018 | 2017 | 2018 | 2017
Net income, as reported | $ | 140,266 |  | $ | 114,702 |  | $ | 263,965 |  | $ | 149,631 |
Basic earnings per share |  |  |  |
Weighted average shares of common stock outstanding-basic | 87,595 |  | 86,275 |  | 87,295 |  | 86,182 |
Basic earnings per common share | $1.60 | $1.33 | $3.02 | $1.74
Diluted earnings per share |  |  |  |
Weighted average shares of common stock outstanding-basic | 87,595 |  | 86,275 |  | 87,295 |  | 86,182 |
Incremental shares (1) | 394 |  | 826 |  | 395 |  | 811 |
Weighted average shares of common stock outstanding-diluted | 87,989 |  | 87,101 |  | 87,690 |  | 86,993 |
Diluted earnings per common share (2) | $1.59 | $1.32 | $3.01 | $1.72
(1) | Incremental shares consist primarily of unvested stock awards and performance shares.
(2) | There were no anti-dilutive shares excluded from the calculation of diluted earnings per share for the three and six months ended March 31, 2018 and 2017.

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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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