CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 31,444	$ 32,074
Accounts receivable, less allowance for doubtful accounts of $4,392 and $4,288, respectively	297,079	318,837
Other receivables	16,001	20,363
Inventories	9,958	9,208
Prepaid expenses and other	5,997	6,106
Costs and estimated earnings in excess of billings	35,974	29,369
Total current assets	396,453	415,957
PROPERTY AND EQUIPMENT, NET	68,593	68,195
GOODWILL	148,103	149,208
IDENTIFIABLE INTANGIBLE ASSETS, NET	40,873	42,435
DEFERRED INCOME TAX ASSETS	28,247	27,170
OTHER NONCURRENT ASSETS	5,343	5,938
Total assets	687,612	708,903
CURRENT LIABILITIES:
Current maturities of long-term debt	1,112	600
Current maturities of long-term capital lease obligations	131	163
Accounts payable	98,132	103,440
Accrued compensation and benefits	51,221	61,712
Billings in excess of costs and estimated earnings	76,834	83,985
Accrued self-insurance	33,846	33,520
Other current liabilities	31,767	34,261
Total current liabilities	293,043	317,681
LONG-TERM DEBT	693	1,955
LONG-TERM CAPITAL LEASE OBLIGATIONS	68	93
DEFERRED INCOME TAX LIABILITIES	2,289	2,289
OTHER LONG-TERM LIABILITIES	9,563	10,252
Total liabilities	305,656	332,270
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY:
Preferred stock, $.01 par, 5,000,000 shares authorized, none issued and outstanding
Common stock, $.01 par, 102,969,912 shares authorized, 41,123,365 and 41,123,365 shares issued, respectively	411	411
Treasury stock, at cost, 3,897,384 and 3,914,251 shares, respectively	(58,789)	(57,387)
Additional paid-in capital	311,481	309,625
Retained earnings	128,853	123,984
Total stockholders’ equity	381,956	376,633
Total liabilities and stockholders' equity	$ 687,612	$ 708,903