Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Sep. 30, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 16,158	$ 26,247
Accounts receivable:
Trade, net of allowance	160,946	151,578
Retainage	22,904	24,312
Inventories	23,729	20,966
Costs and estimated earnings in excess of billings	28,293	31,446
Prepaid expenses and other current assets	10,897	8,144
Total current assets	262,927	262,693
Property and equipment, net	26,520	25,364
Goodwill	50,622	50,702
Intangible assets, net	28,459	30,590
Deferred tax assets	43,081	46,580
Other non-current assets	5,662	6,065
Total assets	417,271	421,994
CURRENT LIABILITIES:
Accounts payable and accrued expenses	129,704	130,591
Billings in excess of costs and estimated earnings	32,932	33,826
Total current liabilities	162,636	164,417
Long-term debt	19,672	29,564
Other non-current liabilities	3,655	4,374
Total liabilities	185,963	198,355
Noncontrolling interest	3,163	3,232
STOCKHOLDERS' EQUITY:
Preferred stock, $0.01 par value, 10,000,000 shares authorized	0	0
Common stock, $0.01 par value, 100,000,000 shares authorized	220	220
Treasury stock, at cost	(8,443)	(8,937)
Additional paid-in capital	191,579	196,810
Retained earnings	44,789	32,314
Total stockholders' equity	228,145	220,407
Total liabilities and stockholders' equity	$ 417,271	$ 421,994

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

Name:	us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682