CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 135,823	$ 161,122
Customer retention deposits	481	2,598
Accounts receivable, net	388,000	320,588
Costs and estimated earnings in excess of billings	138,618	116,455
Inventory and uninstalled contract materials	49,201	67,796
Prepaid expenses and other current assets	19,258	18,265
Total current assets	731,381	686,824
Property and equipment, net	277,346	283,545
Deferred tax asset - long-term		1,075
Intangible assets, net	32,841	36,438
Goodwill	127,226	124,161
Other long-term assets	2,004	211
Total assets	1,170,798	1,132,254
Current liabilities:
Accounts payable	168,110	124,450
Billings in excess of costs and estimated earnings	112,606	139,875
Accrued expenses and other current liabilities	108,006	93,596
Dividends payable	2,839	2,842
Current portion of capital leases	188	974
Current portion of long-term debt	58,189	54,436
Total current liabilities	449,938	416,173
Long-term capital leases, net of current portion	15	22
Long-term debt, net of current portion	203,381	219,853
Deferred tax liabilities	9,830
Other long-term liabilities	9,064	12,741
Total liabilities	672,228	648,789
Commitments and contingencies
Stockholders' equity
Common stock—$.0001 par value; 90,000,000 shares authorized; 51,576,442 and 51,676,140 issued and outstanding at December 31, 2016 and December 31, 2015	5	5
Additional paid-in capital	162,128	163,344
Retained earnings	335,218	319,899
Noncontrolling interests	1,219	217
Total stockholders' equity	498,570	483,465
Total liabilities and stockholders' equity	$ 1,170,798	$ 1,132,254