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Earnings Per Share | 9 Months Ended
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Jun. 30, 2020
Earnings Per Share [Abstract] |
Earnings Per Share | Note 4. Earnings per share Basic earnings per share is computed by dividing net earnings available to common stockholders by the weighted-average number of shares of common stock outstanding for the period. Diluted earnings per share reflects the weighted-average number of shares outstanding after consideration of the dilutive effect of stock options and restricted stock. The following is a reconciliation of net earnings to basic earnings per share and diluted earnings per share:
|  | Three-Months Ended June 30, |  |  | Nine-Months Ended June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings |  | $ | 38,465 |  |  | $ | 66,107 |  |  | $ | 183,156 |  |  | $ | 192,806 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic shares outstanding |  |  | 62,309 |  |  |  | 61,941 |  |  |  | 62,188 |  |  |  | 61,977 |
Dilutive effect of stock options and restricted stock |  |  | 1,118 |  |  |  | 2,692 |  |  |  | 2,085 |  |  |  | 2,460 |
Diluted shares outstanding |  |  | 63,427 |  |  |  | 64,633 |  |  |  | 64,273 |  |  |  | 64,437 |
Income per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic earnings per share |  | $ | 0.62 |  |  | $ | 1.07 |  |  | $ | 2.95 |  |  | $ | 3.11 |
Diluted earnings per share |  | $ | 0.61 |  |  | $ | 1.02 |  |  | $ | 2.85 |  |  | $ | 2.99 |
The following stock option grants were outstanding but were excluded from the computation of diluted earnings per share because their inclusion would have been anti-dilutive.
|  | Three-Months Ended June 30, |  |  | Nine-Months Ended June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Options |  |  | 2,357 |  |  |  | 39 |  |  |  | 670 |  |  |  | 19 |
Weighted-average option price |  | $ | 83.75 |  |  | $ | 97.13 |  |  | $ | 104.48 |  |  | $ | 97.13 |
The weighted-average shares of common stock outstanding for basic and diluted earnings per share included the weighted-average treasury stock shares held for deferred compensation obligations of the following:
|  | Three-Months Ended June 30, |  |  | Nine-Months Ended June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Weighted-average treasury stock shares held for deferred compensation obligations |  |  | 214 |  |  |  | 208 |  |  |  | 213 |  |  |  | 207 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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