Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 29, 2025	Sep. 29, 2024
Current assets:
Cash and cash equivalents	$ 242,833	$ 232,689
Accounts receivable, net	1,127,519	1,051,461
Contract assets	142,852	129,678
Prepaid expenses and other current assets	106,592	113,555
Total current assets	1,619,796	1,527,383
Property and equipment, net	70,302	73,065
Right-of-use assets, operating leases	186,145	177,950
Goodwill	2,084,872	2,046,569
Intangible assets, net	157,752	160,585
Deferred tax assets	109,477	105,529
Other non-current assets	125,103	101,595
Total assets	4,353,447	4,192,676
Current liabilities:
Accounts payable	234,591	197,440
Accrued compensation	313,335	332,096
Contract liabilities	389,856	351,738
Short-term lease liabilities, operating leases	64,109	63,419
Current contingent earn-out liabilities	35,362	26,934
Other current liabilities	338,868	247,900
Total current liabilities	1,376,121	1,219,527
Deferred tax liabilities	30,673	30,162
Long-term debt	862,483	812,634
Long-term lease liabilities, operating leases	145,045	140,095
Non-current contingent earn-out liabilities	34,369	21,812
Other non-current liabilities	162,660	138,033
Commitments and contingencies (Note 17)
Equity:
Preferred stock - authorized, 2,000 shares of $0.01 par value; no shares issued and outstanding at June 29, 2025 and September 29, 2024	0	0
Common stock - authorized, 750,000 shares of $0.01 par value; issued and outstanding, 262,752 and 267,717 shares at June 29, 2025 and September 29, 2024, respectively	2,628	2,677
Additional paid-in capital	0	35,900
Accumulated other comprehensive loss	(65,117)	(78,875)
Retained earnings	1,804,429	1,870,620
Tetra Tech stockholders’ equity	1,741,940	1,830,322
Noncontrolling interests	156	91
Total stockholders' equity	1,742,096	1,830,413
Total liabilities and stockholders' equity	$ 4,353,447	$ 4,192,676