CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash, including cash equivalents of $1,481 and $15,302 ($53,067 and $0 related to VIEs)	$ 192,868	$ 146,103
Restricted cash	4,780	50,504
Restricted investments	53,014
Accounts receivable, including retainage of $535,939 and $569,391 (AR of $42,413 and $0 related to VIEs)	1,801,656	1,743,300
Costs and estimated earnings in excess of billings	932,758	831,826
Other current assets	89,316	66,023
Total current assets	3,074,392	2,837,756
PROPERTY AND EQUIPMENT:
Land	41,382	41,382
Building and improvements	125,029	124,157
Construction equipment	477,988	444,153
Other equipment	182,288	181,717
Total property and equipment, gross	826,687	791,409
Less accumulated depreciation	(359,188)	(313,783)
Total property and equipment, net ($11,641 and $0 related to VIEs)	467,499	477,626
GOODWILL	585,006	585,006
INTANGIBLE ASSETS, NET	89,454	92,997
OTHER ASSETS	47,772	45,235
TOTAL ASSETS	4,264,123	4,038,620
CURRENT LIABILITIES:
Current maturities of long-term debt	30,748	85,890
Accounts payable, including retainage of $261,820 and $258,294 (AP of $19,243 and $0 related to VIEs)	961,791	994,016
Billings in excess of costs and estimated earnings ($120,952 and $0 related to VIEs)	456,869	331,112
Accrued expenses and other current liabilities	132,438	107,925
Total current liabilities	1,581,846	1,518,943
LONG-TERM DEBT, less current maturities, net of unamortized discounts and debt issuance costs totaling $45,631 and $56,072	705,528	673,629
DEFERRED TAX LIABILITIES	108,504	131,007
OTHER LONG-TERM LIABILITIES	163,465	162,018
TOTAL LIABILITIES	2,559,343	2,485,597
CONTINGENCIES AND COMMITMENTS (Note 6)
Stockholders' equity:
Preferred stock - authorized 1,000,000 shares ($1 par value), none issued
Common stock – authorized 75,000,000 shares ($1 par value), issued and outstanding 49,781,010 and 49,211,353 shares	49,781	49,211
Additional paid-in capital	1,084,205	1,075,600
Retained earnings	622,007	473,625
Accumulated other comprehensive loss	(42,718)	(45,413)
Total stockholders' equity	1,713,275	1,553,023
Noncontrolling interests	(8,495)
TOTAL EQUITY	1,704,780	1,553,023
TOTAL LIABILITIES AND EQUITY	$ 4,264,123	$ 4,038,620

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).