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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000831641-19-000193
Filing Date
2019-11-29
Accepted
2019-11-27 17:56:44
Documents
121
Period of Report
2019-09-29

Document Format Files

Seq Description Document Type Size
1 10-K tt10-kfy19document.htm   iXBRL 10-K 3364841
2 EXHIBIT 21 ttek-ex2109292019.htm EX-21 30129
3 EXHIBIT 23 ttek-ex2309292019.htm EX-23 2225
4 EXHIBIT 31.1 ttek-ex31109292019.htm EX-31.1 9075
5 EXHIBIT 31.2 ttek-ex31209292019.htm EX-31.2 9071
6 EXHIBIT 32.1 ttek-ex32109292019.htm EX-32.1 5458
7 EXHIBIT 32.2 ttek-ex32209292019.htm EX-32.2 5475
8 EXHIBIT 95 ttek-ex9509292019.htm EX-95 40602
14 chart-28847578053553be8fb.jpg GRAPHIC 48048
  Complete submission text file 0000831641-19-000193.txt   14506395

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ttek-20190929.xsd EX-101.SCH 81243
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ttek-20190929_cal.xml EX-101.CAL 140387
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ttek-20190929_def.xml EX-101.DEF 424786
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT ttek-20190929_lab.xml EX-101.LAB 1141095
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ttek-20190929_pre.xml EX-101.PRE 690692
91 EXTRACTED XBRL INSTANCE DOCUMENT tt10-kfy19document_htm.xml XML 2719916
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: 0929
Type: 10-K | Act: 34 | File No.: 000-19655 | Film No.: 191259241
SIC: 8711 Services-Engineering Services
Office of Trade & Services