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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000831641-17-000022
Filing Date
2017-11-20
Accepted
2017-11-20 16:38:28
Documents
113
Period of Report
2017-10-01

Document Format Files

Seq Description Document Type Size
1 10-K ttek-10012017x10k.htm 10-K 2616175
2 EXHIBIT 10.6 ttek-ex106x10012017.htm EX-10.6 71270
3 EXHIBIT 21 ttek-ex21x10012017.htm EX-21 135861
4 EXHIBIT 23 ttek-ex23x10012017.htm EX-23 2204
5 EXHIBIT 31.1 ttek-ex311x10012017.htm EX-31.1 9072
6 EXHIBIT 31.2 ttek-ex312x10012017.htm EX-31.2 9057
7 EXHIBIT 32.1 ttek-ex321x10012017.htm EX-32.1 5566
8 EXHIBIT 32.2 ttek-ex322x10012017.htm EX-32.2 5580
9 EXHIBIT 95 ttek-ex95x10012017.htm EX-95 31358
16 ttek-100120_chartx29368.jpg GRAPHIC 37739
  Complete submission text file 0000831641-17-000022.txt   12575352

Data Files

Seq Description Document Type Size
10 XBRL INSTANCE DOCUMENT ttek-20171001.xml EX-101.INS 2530814
11 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ttek-20171001.xsd EX-101.SCH 95859
12 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ttek-20171001_cal.xml EX-101.CAL 148435
13 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ttek-20171001_def.xml EX-101.DEF 438885
14 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT ttek-20171001_lab.xml EX-101.LAB 1203653
15 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ttek-20171001_pre.xml EX-101.PRE 705758
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: 0928
Type: 10-K | Act: 34 | File No.: 000-19655 | Film No.: 171214195
SIC: 8711 Services-Engineering Services