Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Oct. 01, 2017
Current assets:
Cash and cash equivalents	$ 146,185	$ 189,975
Accounts receivable – net	837,103	788,767
Prepaid expenses and other current assets	56,003	49,969
Income taxes receivable	11,089	13,312
Total current assets	1,050,380	1,042,023
Property and equipment – net	43,278	56,835
Investments in unconsolidated joint ventures	3,370	2,700
Goodwill	798,820	740,886
Intangible assets – net	16,123	26,688
Deferred income taxes	8,607	1,763
Other long-term assets	38,843	31,850
Total assets	1,959,421	1,902,745
Current liabilities:
Accounts payable	160,222	177,638
Accrued compensation	180,153	143,408
Billings in excess of costs on uncompleted contracts	143,270	117,499
Current portion of long-term debt	12,599	15,588
Current contingent earn-out liabilities	13,633	2,024
Other current liabilities	108,216	81,511
Total current liabilities	618,093	537,668
Deferred income taxes	30,166	43,781
Long-term debt	264,712	341,283
Long-term contingent earn-out liabilities	21,657	414
Other long-term liabilities	57,693	50,975
Commitments and contingencies (Note 17)
Equity:
Preferred stock – Authorized, 2,000 shares of $0.01 par value; no shares issued and outstanding at September 30, 2018 and October 1, 2017	0	0
Common stock – Authorized, 150,000 shares of $0.01 par value; issued and outstanding, 55,349 and 55,873 shares at September 30, 2018 and October 1, 2017, respectively	553	559
Additional paid-in capital	148,803	193,835
Accumulated other comprehensive loss	(127,350)	(98,500)
Retained earnings	944,965	832,559
Tetra Tech stockholders' equity	966,971	928,453
Noncontrolling interests	129	171
Total stockholders' equity	967,100	928,624
Total liabilities and stockholders' equity	$ 1,959,421	$ 1,902,745