Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 02, 2023	Oct. 02, 2022
Current assets:
Cash and cash equivalents	$ 231,388	$ 185,094
Accounts receivable, net	989,966	755,112
Contract assets	121,115	92,405
Prepaid expenses and other current assets	126,299	125,605
Total current assets	1,468,768	1,158,216
Property and equipment, net	76,586	32,316
Right-of-use assets, operating leases	201,845	182,319
Goodwill	1,856,421	1,110,412
Intangible assets, net	232,554	29,163
Deferred tax assets	74,338	47,804
Other non-current assets	74,524	62,546
Total assets	3,985,036	2,622,776
Current liabilities:
Accounts payable	235,655	147,436
Accrued compensation	222,789	237,669
Contract liabilities	321,522	241,340
Short-term lease liabilities, operating leases	66,075	57,865
Current portion of long-term debt	12,505	12,504
Current contingent earn-out liabilities	46,295	28,797
Other current liabilities	268,135	190,406
Total current liabilities	1,172,976	916,017
Deferred tax liabilities	62,830	15,161
Long-term debt	1,065,000	246,250
Long-term lease liabilities, operating leases	161,001	146,285
Non-current contingent earn-out liabilities	41,787	36,769
Other non-current liabilities	125,774	79,157
Commitments and contingencies (Note 17)
Equity:
Preferred stock - authorized, 2,000 shares of $0.01 par value; no shares issued and outstanding at April 2, 2023 and October 2, 2022	0	0
Common stock - authorized, 150,000 shares of $0.01 par value; issued and outstanding, 53,228 and 52,981 shares at April 2, 2023 and October 2, 2022, respectively	532	530
Additional paid-in capital	10,639	0
Accumulated other comprehensive loss	(181,381)	(208,144)
Retained earnings	1,525,809	1,390,701
Tetra Tech stockholders’ equity	1,355,599	1,183,087
Noncontrolling interests	69	50
Total stockholders' equity	1,355,668	1,183,137
Total liabilities and stockholders' equity	$ 3,985,036	$ 2,622,776