Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Oct. 01, 2023
Current assets:
Cash and cash equivalents	$ 212,321	$ 168,831
Accounts receivable, net	1,053,758	974,535
Contract assets	118,556	113,939
Prepaid expenses and other current assets	121,846	98,719
Total current assets	1,506,481	1,356,024
Property and equipment, net	70,694	74,832
Right-of-use assets, operating leases	167,317	175,932
Goodwill	1,992,110	1,880,244
Intangible assets, net	164,459	173,936
Deferred tax assets	89,510	89,002
Other non-current assets	94,334	70,507
Total assets	4,084,905	3,820,477
Current liabilities:
Accounts payable	198,341	173,271
Accrued compensation	317,457	302,755
Contract liabilities	372,283	335,044
Short-term lease liabilities, operating leases	65,932	65,005
Current contingent earn-out liabilities	47,407	51,108
Other current liabilities	244,842	280,959
Total current liabilities	1,246,262	1,208,142
Deferred tax liabilities	17,254	14,256
Long-term debt	861,830	879,529
Long-term lease liabilities, operating leases	128,892	144,685
Non-current contingent earn-out liabilities	22,876	22,314
Other non-current liabilities	141,588	148,045
Commitments and contingencies (Note 18)
Equity:
Preferred stock - authorized, 2,000 shares of $0.01 par value; no shares issued and outstanding at June 30, 2024 and October 1, 2023	0	0
Common stock - authorized, 150,000 shares of $0.01 par value; issued and outstanding, 53,532 and 53,248 shares at June 30, 2024 and October 1, 2023, respectively	535	532
Additional paid-in capital	28,171	0
Accumulated other comprehensive loss	(154,689)	(195,295)
Retained earnings	1,792,121	1,598,196
Tetra Tech stockholders’ equity	1,666,138	1,403,433
Noncontrolling interests	65	73
Total stockholders' equity	1,666,203	1,403,506
Total liabilities and stockholders' equity	$ 4,084,905	$ 3,820,477