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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000831641-23-000082
Filing Date
2023-11-22
Accepted
2023-11-22 16:16:33
Documents
133
Period of Report
2023-10-01

Document Format Files

Seq Description Document Type Size
1 10-K ttek-20231001.htm   iXBRL 10-K 2446963
2 EX-21 ttek-ex21q42023.htm EX-21 18272
3 EX-23 ttek-ex23q42023.htm EX-23 2069
4 EX-31.1 ttek-ex311q42023.htm EX-31.1 8936
5 EX-31.2 ttek-ex312q42023.htm EX-31.2 8946
6 EX-32.1 ttek-ex321q42023.htm EX-32.1 5111
7 EX-32.2 ttek-ex322q42023.htm EX-32.2 5122
8 EX-95 ttek-ex95q42023.htm EX-95 16061
14 GRAPHIC ttek-20231001_g1.jpg GRAPHIC 83103
  Complete submission text file 0000831641-23-000082.txt   13470245

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ttek-20231001.xsd EX-101.SCH 89141
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ttek-20231001_cal.xml EX-101.CAL 150398
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ttek-20231001_def.xml EX-101.DEF 446223
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT ttek-20231001_lab.xml EX-101.LAB 1097567
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ttek-20231001_pre.xml EX-101.PRE 762332
127 EXTRACTED XBRL INSTANCE DOCUMENT ttek-20231001_htm.xml XML 2096798
Mailing Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 6263514664
TETRA TECH INC (Filer) CIK: 0000831641 (see all company filings)

IRS No.: 954148514 | State of Incorp.: DE | Fiscal Year End: 1001
Type: 10-K | Act: 34 | File No.: 000-19655 | Film No.: 231433698
SIC: 8711 Services-Engineering Services