XML 60 R38.htm IDEA: XBRL DOCUMENT
v3.25.3

Stock Repurchase and Dividends (Tables) | 12 Months Ended
--- | ---
Sep. 28, 2025
Stock Repurchase And Dividends [Abstract] |
Summary of dividends declared and paid | The following table presents dividends declared and paid in fiscal 2025, 2024 and 2023:
Declare Date |  | Dividend Paid Per Share |  | Record Date |  | Payment Date |  | Dividends Paid (in thousands)
November 11, 2024 |  | $ | 0.058 |  |  | November 27, 2024 |  | December 13, 2024 |  | $ | 15,549 |
January 27, 2025 |  | 0.058 |  |  | February 12, 2025 |  | February 26, 2025 |  | 15,351 |
May 5, 2025 |  | 0.065 |  |  | May 23, 2025 |  | June 5, 2025 |  | 17,092 |
July 28, 2025 |  | 0.065 |  |  | August 15, 2025 |  | August 29, 2025 |  | 17,047 |
Total dividends paid as of September 28, 2025 |  | $ | 65,039 |
November 13, 2023 |  | $ | 0.052 |  |  | November 30, 2023 |  | December 13, 2023 |  | $ | 13,873 |
January 29, 2024 |  | 0.052 |  |  | February 14, 2024 |  | February 27, 2024 |  | 13,908 |
April 29, 2024 |  | 0.058 |  |  | May 20, 2024 |  | May 31, 2024 |  | 15,522 |
July 29, 2024 |  | 0.058 |  |  | August 15, 2024 |  | August 30, 2024 |  | 15,525 |
Total dividends paid as of September 29, 2024 |  | $ | 58,828 |
November 7, 2022 |  | $ | 0.046 |  |  | November 21, 2022 |  | December 9, 2022 |  | $ | 12,186 |
January 30, 2023 |  | 0.046 |  |  | February 13, 2023 |  | February 24, 2023 |  | 12,242 |
May 8, 2023 |  | 0.052 |  |  | May 24, 2023 |  | June 6, 2023 |  | 13,840 |
August 7, 2023 |  | 0.052 |  |  | August 23, 2023 |  | September 6, 2023 |  | 13,845 |
Total dividends paid as of October 1, 2023 |  | $ | 52,113 |

X
- Definition Stock Repurchase And Dividends [Abstract] + References No definition available. + Details
Name: | ttek_StockRepurchaseAndDividendsAbstract
Namespace Prefix: | ttek_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information related to dividends declared, including paid and unpaid dividends. + References No definition available. + Details
Name: | us-gaap_DividendsDeclaredTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration