XML 62 R50.htm IDEA: XBRL DOCUMENT
v3.20.2

Stock Repurchase and Dividends - Schedule of Dividends Declared and Paid and Subsequent Event (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 04, 2020 | Jul. 27, 2020 | May 29, 2020 | Apr. 27, 2020 | Feb. 28, 2020 | Jan. 27, 2020 | Dec. 13, 2019 | Nov. 11, 2019 | May 31, 2019 | Apr. 29, 2019 | Feb. 28, 2019 | Jan. 28, 2019 | Dec. 14, 2018 | Nov. 05, 2018 | Jun. 28, 2020 | Jun. 30, 2019 | Jun. 28, 2020 | Jun. 30, 2019
Stock Repurchase And Dividends [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend paid per share (in dollars per share) |  |  |  | $ 0.17 |  | $ 0.15 |  | $ 0.15 |  | $ 0.15 |  | $ 0.12 |  | $ 0.12 | $ 0.17 | $ 0.15 | $ 0.47 | $ 0.39
Dividend Paid |  |  | $ 9,175 |  | $ 8,225 |  | $ 8,190 |  | $ 8,219 |  | $ 6,616 |  | $ 6,654 |  |  |  | $ 25,590 | $ 21,489
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend paid per share (in dollars per share) |  |  |  | $ 0.17 |  | $ 0.15 |  | $ 0.15 |  | $ 0.15 |  | $ 0.12 |  | $ 0.12 | $ 0.17 | $ 0.15 | $ 0.47 | $ 0.39
Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly cash dividend declared (in dollars per share) |  | $ 0.17 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forecast | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchase And Dividends [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend paid per share (in dollars per share) | $ 0.17 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend paid per share (in dollars per share) | $ 0.17 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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 Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 + Details
Name: | us-gaap_Dividends
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |