Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 03, 2021	Sep. 27, 2020
Current assets:
Cash and cash equivalents	$ 166,568	$ 157,515
Accounts receivable, net	668,998	649,035
Contract assets	103,784	92,632
Prepaid expenses and other current assets	112,338	81,094
Income taxes receivable	14,260	19,509
Total current assets	1,065,948	999,785
Property and equipment, net	37,733	35,507
Right-of-use assets, operating leases	215,422	239,396
Investments in unconsolidated joint ventures	3,282	7,332
Goodwill	1,108,578	993,498
Intangible assets, net	37,990	13,943
Deferred tax assets	54,413	32,052
Other long-term assets	53,196	57,045
Total assets	2,576,562	2,378,558
Current liabilities:
Accounts payable	128,767	111,804
Accrued compensation	206,322	199,801
Contract liabilities	190,403	171,905
Short-term lease liabilities, operating leases	67,452	69,650
Current portion of long-term debt and other short-term borrowings	12,504	49,264
Current contingent earn-out liabilities	19,520	16,142
Other current liabilities	223,515	174,890
Total current liabilities	848,483	793,456
Deferred tax liabilities	10,563	16,316
Long-term debt	200,000	242,395
Long-term lease liabilities, operating leases	174,285	191,955
Long-term contingent earn-out liabilities	39,777	16,475
Other long-term liabilities	69,163	80,588
Commitments and contingencies (Note 17)
Equity:
Preferred stock – Authorized, 2,000 shares of $0.01 par value; no shares issued and outstanding at October 3, 2021 and September 27, 2020	0	0
Common stock – Authorized, 150,000 shares of $0.01 par value; issued and outstanding, 53,981 and 53,797 shares at October 3, 2021 and September 27, 2020, respectively	540	538
Accumulated other comprehensive loss	(125,028)	(161,786)
Retained earnings	1,358,726	1,198,567
Tetra Tech stockholders' equity	1,234,238	1,037,319
Noncontrolling interests	53	54
Total stockholders' equity	1,234,291	1,037,373
Total liabilities and stockholders' equity	$ 2,576,562	$ 2,378,558