Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 26, 2016	Sep. 27, 2015
Current assets:
Cash and cash equivalents	$ 153,918	$ 135,326
Accounts receivable - net	700,846	636,030
Prepaid expenses and other current assets	51,957	42,125
Income taxes receivable	25,875	10,294
Total current assets	932,596	823,775
Property and equipment - net	71,588	64,906
Investments in and advances to unconsolidated joint ventures	1,869	1,886
Goodwill	727,773	601,379
Intangible assets - net	51,991	40,332
Other long-term assets	28,512	26,964
Total assets	1,814,329	1,559,242
Current liabilities:
Accounts payable	155,083	150,284
Accrued compensation	117,867	103,866
Billings in excess of costs on uncompleted contracts	93,401	93,989
Deferred income taxes	24,797	20,787
Current portion of long-term debt	15,498	11,904
Estimated contingent earn-out liabilities	5,590	609
Other current liabilities	101,340	69,003
Total current liabilities	513,576	450,442
Deferred income taxes	35,876	34,759
Long-term debt	349,210	180,972
Long-term estimated contingent earn-out liabilities	6,176	3,560
Other long-term liabilities	45,620	32,711
Commitments and contingencies (Note 15)
Equity:
Preferred stock - Authorized, 2,000 shares of $0.01 par value; no shares issued and outstanding at June 26, 2016, and September 27, 2015
Common stock - Authorized, 150,000 shares of $0.01 par value; issued and outstanding, 57,546 and 59,381 shares at June 26, 2016, and September 27, 2015, respectively	575	594
Additional paid-in capital	276,242	326,593
Accumulated other comprehensive loss	(124,038)	(143,171)
Retained earnings	710,409	672,309
Tetra Tech stockholders' equity	863,188	856,325
Noncontrolling interests	683	473
Total equity	863,871	856,798
Total liabilities and equity	$ 1,814,329	$ 1,559,242