Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Oct. 01, 2023
Current assets:
Cash and cash equivalents	$ 210,294	$ 168,831
Accounts receivable, net	1,037,883	974,535
Contract assets	102,991	113,939
Prepaid expenses and other current assets	128,753	98,719
Total current assets	1,479,921	1,356,024
Property and equipment, net	72,897	74,832
Right-of-use assets, operating leases	181,948	175,932
Goodwill	1,977,688	1,880,244
Intangible assets, net	175,611	173,936
Deferred tax assets	87,561	89,002
Other non-current assets	94,948	70,507
Total assets	4,070,574	3,820,477
Current liabilities:
Accounts payable	215,644	173,271
Accrued compensation	251,035	302,755
Contract liabilities	373,682	335,044
Short-term lease liabilities, operating leases	70,793	65,005
Current contingent earn-out liabilities	46,959	51,108
Other current liabilities	235,821	280,959
Total current liabilities	1,193,934	1,208,142
Deferred tax liabilities	17,647	14,256
Long-term debt	951,031	879,529
Long-term lease liabilities, operating leases	139,364	144,685
Non-current contingent earn-out liabilities	27,620	22,314
Other non-current liabilities	156,128	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 March 31, 2024 and October 1, 2023	0	0
Common stock - authorized, 150,000 shares of $0.01 par value; issued and outstanding, 53,497 and 53,248 shares at March 31, 2024 and October 1, 2023, respectively	535	532
Additional paid-in capital	18,972	0
Accumulated other comprehensive loss	(156,546)	(195,295)
Retained earnings	1,721,833	1,598,196
Tetra Tech stockholders’ equity	1,584,794	1,403,433
Noncontrolling interests	56	73
Total stockholders' equity	1,584,850	1,403,506
Total liabilities and stockholders' equity	$ 4,070,574	$ 3,820,477