CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 71,139	$ 58,776
Billed accounts receivable, less allowance for credit losses of $9,903 and $8,808, respectively	1,026,523	773,716
Unbilled accounts receivable, less allowance for credit losses of $986 and $715, respectively	89,941	61,881
Other receivables, less allowance for credit losses of $498 and $503, respectively	83,267	57,491
Inventories	38,149	21,853
Prepaid expenses and other	27,372	23,704
Costs and estimated earnings in excess of billings, less allowance for credit losses of $67 and $84, respectively	21,700	29,900
Total current assets	1,358,091	1,027,321
PROPERTY AND EQUIPMENT, NET	138,229	128,554
LEASE RIGHT-OF-USE ASSET	133,443	124,756
GOODWILL	611,039	592,114
IDENTIFIABLE INTANGIBLE ASSETS, NET	285,094	304,781
DEFERRED TAX ASSETS	11,327	22,905
OTHER NONCURRENT ASSETS	12,250	8,683
Total assets	2,549,473	2,209,114
CURRENT LIABILITIES:
Current maturities of long-term debt	2,514	2,788
Accounts payable	330,288	254,788
Accrued compensation and benefits	149,926	129,971
Billings in excess of costs and estimated earnings	411,942	307,380
Accrued self-insurance	25,320	22,227
Other current liabilities	124,015	119,400
Total current liabilities	1,044,005	836,554
LONG-TERM DEBT, NET	378,192	385,242
LEASE LIABILITIES	114,443	107,701
DEFERRED TAX LIABILITIES	1,745	1,745
OTHER LONG-TERM LIABILITIES	59,956	72,206
Total liabilities	1,598,341	1,403,448
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, 5,349,349 and 5,032,311 shares, respectively	(185,574)	(150,580)
Additional paid-in capital	331,710	327,061
Retained earnings	804,585	628,774
Total stockholders' equity	951,132	805,666
Total liabilities and stockholders' equity	$ 2,549,473	$ 2,209,114