XML 24 R34.htm IDEA: XBRL DOCUMENT
v3.19.3

Stock Repurchase and Dividends (Tables) | 12 Months Ended
--- | ---
Sep. 29, 2019
Stock Repurchase And Dividends [Abstract] |
Schedule of stock repurchase activity | The following table summarizes stock repurchase activity for fiscal 2018 and 2019:
Fiscal Year |  | Stock Repurchase Program |  | Shares Repurchased |  | Average Price Paid per Share |  | Total Cost (in thousands)
2018 |  | 2018 Program |  | 1,491,569 |  |  | $ | 50.28 |  |  | $ | 75,000 |
2019 |  | 2018 Program |  | 430,559 |  |  | $ | 58.06 |  |  | $ | 25,000 |
2019 |  | 2019 Program |  | 1,131,962 |  |  | $ | 66.26 |  |  | 75,000 |
2019 Total |  |  |  | 1,562,521 |  |  | $ | 64.00 |  |  | $ | 100,000 |
Summary of dividends declared | The following table summarizes dividends declared and paid in fiscal 2019 and 2018:
Declaration Date |  | Dividend Paid Per Share |  | Record Date |  | Payment Date |  | Dividends Paid (in thousands)
November 5, 2018 |  | $ | 0.12 |  |  | November 30, 2018 |  | December 14, 2018 |  | $ | 6,654 |
January 28, 2019 |  | $ | 0.12 |  |  | February 13, 2019 |  | February 28, 2019 |  | 6,616 |
April 29, 2019 |  | $ | 0.15 |  |  | May 15, 2019 |  | May 31, 2019 |  | 8,219 |
July 29, 2019 |  | $ | 0.15 |  |  | August 14, 2019 |  | August 30, 2019 |  | 8,185 |
Total dividend paid as of September 29, 2019 |  | $ | 29,674 |
November 6, 2017 |  | $ | 0.10 |  |  | November 30, 2017 |  | December 15, 2017 |  | $ | 5,589 |
January 29, 2018 |  | $ | 0.10 |  |  | February 14, 2018 |  | March 2, 2018 |  | 5,583 |
April 30, 2018 |  | $ | 0.12 |  |  | May 16, 2018 |  | June 1, 2018 |  | 6,664 |
July 30, 2018 |  | $ | 0.12 |  |  | August 16, 2018 |  | August 31, 2018 |  | 6,641 |
Total dividend paid as of September 30, 2018 |  | $ | 24,477 |

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 Summary Of Shares Repurchased [Table Text Block] + References No definition available. + Details
Name: | ttek_SummaryOfSharesRepurchasedTableTextBlock
Namespace Prefix: | ttek_
Data Type: | nonnum:textBlockItemType
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: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration