XML 50 R38.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Earnings per Share ("EPS") (Tables) | 9 Months Ended
--- | ---
Jun. 30, 2024
Earnings Per Share [Abstract] |
Schedule of number of weighted-average shares used to compute basic and diluted EPS | The following table presents the number of weighted-average shares used to compute basic and diluted EPS (in thousands, except per share data):
| Three Months Ended |  | Nine Months Ended
| June 30, 2024 |  | July 2, 2023 |  | June 30, 2024 |  | July 2, 2023
Net income attributable to Tetra Tech | $ | 85,810 |  |  | $ | 60,235 |  |  | $ | 237,228 |  |  | $ | 219,771 |
Weighted-average common shares outstanding – basic | 53,515 |  |  | 53,231 |  |  | 53,451 |  |  | 53,188 |
Effect of dilutive stock options and unvested restricted stock | 433 |  |  | 422 |  |  | 415 |  |  | 427 |
Shares issuable assuming conversion of convertible notes | 104 |  |  | — |  |  | 35 |  |  | — |
Weighted-average common shares outstanding – diluted | 54,052 |  |  | 53,653 |  |  | 53,901 |  |  | 53,615 |
Earnings per share attributable to Tetra Tech: |  |  |  |  |  |  |
Basic | $ | 1.60 |  |  | $ | 1.13 |  |  | $ | 4.44 |  |  | $ | 4.13 |
Diluted | $ | 1.59 |  |  | $ | 1.12 |  |  | $ | 4.40 |  |  | $ | 4.10 |

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration