Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 74,087	$ 43,805
Accounts receivable, less allowances (September 30, 2017— $9,889 and June 30, 2017—$9,887)	183,451	210,953
Costs and estimated earnings in excess of billings on uncompleted contracts	64,221	91,180
Inventories	4,525	3,737
Income taxes receivable	3,396	4,042
Other current assets	7,826	4,913
Total current assets	337,506	358,630
Property, plant and equipment at cost:
Land and buildings	39,622	38,916
Construction equipment	90,710	94,298
Transportation equipment	48,647	48,574
Office equipment and software	37,169	36,556
Construction in progress	3,719	5,952
Property, plant and equipment at cost, gross	219,867	224,296
Accumulated depreciation	(143,680)	(144,022)
Property, plant and equipment at cost, net	76,187	80,274
Goodwill	113,845	113,501
Other intangible assets	25,364	26,296
Deferred income taxes	2,794	3,385
Other assets	2,170	3,944
Total assets	557,866	586,030
Current liabilities:
Accounts payable	71,253	105,649
Billings on uncompleted contracts in excess of costs and estimated earnings	66,376	75,127
Accrued wages and benefits	19,378	20,992
Accrued insurance	8,691	9,340
Income taxes payable	17	169
Other accrued expenses	4,183	7,699
Total current liabilities	169,898	218,976
Deferred income taxes	1,158	128
Borrowings under senior revolving credit facility	50,908	44,682
Other liabilities	316	435
Total liabilities	222,280	264,221
Commitments and contingencies
Matrix Service Company stockholders' equity:
Common stock—$.01 par value; 60,000,000 shares authorized; 27,888,217 shares issued as of September 30, 2017, and June 30, 2017; 26,727,975 and 26,600,562 shares outstanding as of September 30, 2017 and June 30, 2017	279	279
Additional paid-in capital	128,235	128,419
Retained earnings	231,330	222,974
Accumulated other comprehensive loss	(5,788)	(7,324)
Matrix Service Company stockholders' equity	354,056	344,348
Less: Treasury stock, at cost — 1,160,242 shares as of September 30, 2017, and 1,287,655 shares as of June 30, 2017	(18,470)	(22,539)
Total stockholders' equity	335,586	321,809
Total stockholders' equity	335,586	321,809
Total liabilities and stockholders’ equity	$ 557,866	$ 586,030