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v3.22.4

Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Total Tetra Tech Equity | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Loss | Retained Earnings | Non-Controlling Interests
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Oct. 03, 2021 |  |  | 53,981 |  |  |  |
Beginning balance at Oct. 03, 2021 | $ 1,234,291 | $ 1,234,238 | $ 540 | $ 0 | $ (125,028) | $ 1,358,726 | $ 53
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 68,499 | 68,489 |  |  |  | 68,489 | 10
Other comprehensive income | 1,980 | 1,980 |  |  | 1,980 |  |
Cash dividends per common share | (10,793) | (10,793) |  |  |  | (10,793) |
Stock-based compensation | 5,828 | 5,828 |  | 5,828 |  |  |
Restricted & performance shares released (in shares) |  |  | 182 |  |  |  |
Restricted & performance shares released | (24,949) | (24,949) | $ 2 | (18,916) |  | (6,035) |
Stock options exercised (in shares) |  |  | 20 |  |  |  |
Stock options exercised | 960 | 960 | $ 0 | 960 |  |  |
Shares issued for Employee Stock Purchase Plan (in shares) |  |  | 106 |  |  |  |
Shares issued for Employee Stock Purchase Plan | 12,129 | 12,129 | $ 1 | 12,128 |  |  |
Stock repurchases (in shares) |  |  | (290) |  |  |  |
Stock repurchases | (50,000) | (50,000) | $ (3) | 0 |  | (49,997) |
Ending balance (in shares) at Jan. 02, 2022 |  |  | 53,999 |  |  |  |
Ending balance at Jan. 02, 2022 | 1,237,945 | 1,237,882 | $ 540 | 0 | (123,048) | 1,360,390 | 63
Beginning balance (in shares) at Oct. 02, 2022 |  |  | 52,981 |  |  |  |
Beginning balance at Oct. 02, 2022 | 1,183,137 | 1,183,087 | $ 530 | 0 | (208,144) | 1,390,701 | 50
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 116,715 | 116,706 |  |  |  | 116,706 | 9
Other comprehensive income | 33,018 | 33,018 |  |  | 33,018 |  |
Cash dividends per common share | (12,186) | (12,186) |  |  |  | (12,186) |
Stock-based compensation | 7,184 | 7,184 |  | 7,184 |  |  |
Restricted & performance shares released (in shares) |  |  | 145 |  |  |  |
Restricted & performance shares released | (16,586) | (16,586) | $ 1 | (16,587) |  |  |
Stock options exercised (in shares) |  |  | 2 |  |  |  |
Stock options exercised | 57 | 57 | $ 0 | 57 |  |  |
Shares issued for Employee Stock Purchase Plan (in shares) |  |  | 98 |  |  |  |
Shares issued for Employee Stock Purchase Plan | 12,628 | 12,628 | $ 1 | 12,627 |  |  |
Ending balance (in shares) at Jan. 01, 2023 |  |  | 53,226 |  |  |  |
Ending balance at Jan. 01, 2023 | $ 1,323,967 | $ 1,323,908 | $ 532 | $ 3,281 | $ (175,126) | $ 1,495,221 | $ 59

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