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Earnings per Share ("EPS") | 6 Months Ended
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Apr. 03, 2022
Earnings Per Share [Abstract] |
Earnings per Share ("EPS") | Earnings per Share (“EPS”)Basic EPS is computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding, less unvested restricted stock for the period. Diluted EPS is computed by dividing net income by the weighted-average number of common shares outstanding and dilutive potential common shares for the period. Potential common shares include the weighted-average dilutive effects of outstanding stock options and unvested restricted stock using the treasury stock method. The following table presents the number of weighted-average shares used to compute basic and diluted EPS:
| Three Months Ended |  | Six Months Ended
| April 3, 2022 |  | March 28, 2021 |  | April 3, 2022 |  | March 28, 2021
| (in thousands, except per share data)
Net income attributable to Tetra Tech | $ | 53,040 |  |  | $ | 45,517 |  |  | $ | 121,529 |  |  | $ | 97,953 |
Weighted-average common shares outstanding – basic | 53,834 |  |  | 54,187 |  |  | 53,916 |  |  | 54,085 |
Effect of dilutive stock options and unvested restricted stock | 512 |  |  | 549 |  |  | 576 |  |  | 630 |
Weighted-average common shares outstanding – diluted | 54,346 |  |  | 54,736 |  |  | 54,492 |  |  | 54,715 |
Earnings per share attributable to Tetra Tech: |  |  |  |  |  |  |
Basic | $ | 0.99 |  |  | $ | 0.84 |  |  | $ | 2.25 |  |  | $ | 1.81 |
Diluted | $ | 0.98 |  |  | $ | 0.83 |  |  | $ | 2.23 |  |  | $ | 1.79 |

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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=124432515&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=124432515&loc=d3e3630-109257 + Details
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