Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Sep. 30, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 21,692	$ 28,290
Accounts receivable:
Trade, net of allowance of $738 and $650, respectively	139,182	142,946
Retainage	23,019	21,360
Inventories	18,717	16,923
Costs and estimated earnings in excess of billings	22,595	13,438
Prepaid expenses and other current assets	8,824	8,795
Total current assets	234,029	231,752
Property and equipment, net	25,217	24,643
Goodwill	49,299	46,693
Intangible assets, net	31,736	31,413
Deferred tax assets	49,597	86,211
Other non-current assets	6,085	3,782
Total assets	395,963	424,494
CURRENT LIABILITIES:
Accounts payable and accrued expenses	117,385	120,710
Billings in excess of costs and estimated earnings	25,812	29,918
Total current liabilities	143,197	150,628
Long-term debt	29,634	29,434
Other non-current liabilities	4,412	4,457
Total liabilities	177,243	184,519
Noncontrolling interest	3,247	3,271
STOCKHOLDERS' EQUITY:
Preferred stock, $0.01 par value, 10,000,000 shares authorized, none issued and outstanding	0	0
Common stock, $0.01 par value, 100,000,000 shares authorized; 22,049,529 shares issued and 21,205,536 and 21,336,975 outstanding, respectively	220	220
Treasury stock, at cost, 843,993 and 712,554 shares, respectively	(8,937)	(6,898)
Additional paid-in capital	196,551	196,955
Retained earnings	27,639	46,427
Total stockholders' equity	215,473	236,704
Total liabilities and stockholders' equity	$ 395,963	$ 424,494