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EARNINGS PER SHARE | 6 Months Ended
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Mar. 31, 2013
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | EARNINGS PER SHARE 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) | 2013 | 2012 | 2013 | 2012
Net income, as reported | $ | 45,469 |  | $ | 54,535 |  | $ | 105,675 |  | $ | 111,892 |
Basic earnings per share |  |  |  |
Weighted average shares of common stock outstanding-basic | 41,789 |  | 41,509 |  | 41,742 |  | 41,472 |
Basic earnings per common share | $1.09 | $1.31 | $2.53 | $2.70
Diluted earnings per share |  |  |  |
Weighted average shares of common stock outstanding-basic | 41,789 |  | 41,509 |  | 41,742 |  | 41,472 |
Incremental shares (1) | 183 |  | 202 |  | 183 |  | 201 |
Weighted average shares of common stock outstanding-diluted | 41,972 |  | 41,711 |  | 41,925 |  | 41,673 |
Diluted earnings per common share (2) | $1.08 | $1.31 | $2.52 | $2.68
(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, 2013 and 2012.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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