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EARNINGS PER SHARE (Tables) | 6 Months Ended
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Mar. 31, 2014
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) | 2014 | 2013 | 2014 | 2013
Net income | $ | 172,971 |  | $ | 45,469 |  | $ | 180,664 |  | $ | 105,675 |
Basic earnings per share |  |  |  |
Weighted average shares of common stock outstanding-basic | 42,079 |  | 41,789 |  | 42,050 |  | 41,742 |
Basic earnings per common share | $4.11 | $1.09 | $4.30 | $2.53
Diluted earnings per share |  |  |  |
Weighted average shares of common stock outstanding-basic | 42,079 |  | 41,789 |  | 42,050 |  | 41,742 |
Incremental shares (1) | 378 |  | 183 |  | 378 |  | 183 |
Weighted average shares of common stock outstanding-diluted | 42,457 |  | 41,972 |  | 42,428 |  | 41,925 |
Diluted earnings per common share (2) | $4.07 | $1.08 | $4.26 | $2.52
(1) | Incremental shares consist of stock options, stock awards and performance units.
(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, 2014 and 2013.

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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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