Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Jun. 30, 2018
Current assets:
Cash and cash equivalents	$ 74,736	$ 64,057
Accounts receivable, less allowances (September 30, 2018— $6,359 and June 30, 2018—$6,327)	214,763	203,388
Costs and estimated earnings in excess of billings on uncompleted contracts	75,972	76,632
Inventories	6,514	5,152
Income taxes receivable	3,350	3,359
Other current assets	10,214	4,458
Total current assets	385,549	357,046
Property, plant and equipment at cost:
Land and buildings	40,508	40,424
Construction equipment	89,482	89,036
Transportation equipment	47,913	48,339
Office equipment and software	41,622	41,236
Construction in progress	2,411	1,353
Property, plant and equipment at cost, gross	221,936	220,388
Accumulated depreciation	(150,438)	(147,743)
Property, plant and equipment at cost, net	71,498	72,645
Goodwill	93,451	96,162
Other intangible assets	22,007	22,814
Deferred income taxes	5,559	4,848
Other assets	9,130	4,518
Total assets	587,194	558,033
Current liabilities:
Accounts payable	94,845	79,439
Billings on uncompleted contracts in excess of costs and estimated earnings	118,380	120,740
Accrued wages and benefits	29,151	24,375
Accrued insurance	9,689	9,080
Income taxes payable	0	7
Other accrued expenses	9,079	4,824
Total current liabilities	261,144	238,465
Deferred income taxes	1,440	429
Borrowings under senior secured revolving credit facility	1,549	0
Other liabilities	280	296
Total liabilities	264,413	239,190
Commitments and contingencies
Matrix Service Company stockholders' equity:
Common stock—$.01 par value; 60,000,000 shares authorized; 27,888,217 shares issued as of September 30, 2018 and June 30, 2018; 27,019,817 and 26,853,823 shares outstanding as of September 30, 2018 and June 30, 2018	279	279
Additional paid-in capital	129,885	132,198
Retained earnings	213,799	211,494
Accumulated other comprehensive loss	(7,010)	(7,411)
Matrix Service Company stockholders' equity	336,953	336,560
Less: Treasury stock, at cost — 868,400 shares as of September 30, 2018, and 1,034,394 shares as of June 30, 2018	(14,172)	(17,717)
Total stockholders' equity	322,781	318,843
Total liabilities and stockholders’ equity	$ 587,194	$ 558,033