XML 44 R33.htm IDEA: XBRL DOCUMENT
v3.22.1

Leases (Tables) | 6 Months Ended
--- | ---
Apr. 03, 2022
Leases [Abstract] |
Summary of components of lease cost | The components of lease costs are as follows:
| Three Months Ended |  | Six Months Ended
| April 3, 2022 |  | March 28, 2021 |  | April 3, 2022 |  | March 28, 2021
| (in thousands)
Operating lease cost | $ | 21,260 |  |  | $ | 22,640 |  |  | $ | 43,011 |  |  | $ | 44,709 |
Sublease income | (131) |  |  | (30) |  |  | (257) |  |  | (59) |
Total lease cost | $ | 21,129 |  |  | $ | 22,610 |  |  | $ | 42,754 |  |  | $ | 44,650 |
Supplemental cash flow information related to leases is as follows:
|  | Six Months Ended
|  | April 3, 2022 |  | March 28, 2021
| (in thousands
Operating cash flows for operating leases |  | $ | 34,531 |  |  | $ | 36,399 |
Right-of-use assets obtained in exchange for new operating lease liabilities |  | $ | 24,875 |  |  | $ | 33,722 |
Summary of supplemental balance sheet and other information | Supplemental balance sheet and other information related to leases are as follows:
| Balance at
| April 3, 2022 |  | October 3, 2021
| (in thousands)
Operating leases: |  |  |
Right-of-use assets | $ | 205,087 |  |  | $ | 215,422 |
Lease liabilities: |  |  |
Current | 64,789 |  |  | 67,452 |
Long-term | 165,630 |  |  | 174,285 |
Total operating lease liabilities | $ | 230,419 |  |  | $ | 241,737 |
Weighted-average remaining lease term: |  |  |
Operating leases | 5 years |  | 5 years
Weighted-average discount rate: |  |  |
Operating leases | 2.1 | % |  | 2.2 | %
Summary of maturity of future undiscounted cash flows associated with operating lease liabilities | A maturity analysis of the future undiscounted cash flows associated with our operating lease liabilities at April 3, 2022 is as follows:
| Amount
| (in thousands)
2022 | $ | 37,021 |
2023 | 60,022 |
2024 | 44,794 |
2025 | 32,918 |
2026 | 22,117 |
Beyond | 47,644 |
Total lease payments | 244,516 |
Less: imputed interest | (14,097) |
Total present value of lease liabilities | $ | 230,419 |

X
- Definition Assets And Liabilities, Lessee + References No definition available. + Details
Name: | ttek_AssetsAndLiabilitiesLesseeTableTextBlock
Namespace Prefix: | ttek_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration