CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 150,723	$ 11,750
Accounts receivable, net of allowances	298,440	322,892
Inventories, net	309,279	309,060
Contract assets	32,348	0
Costs in excess of billings on uncompleted contracts	0	28,738
Income taxes receivable	0	3,748
Prepaid expenses and other current assets	56,249	57,949
Total current assets	847,039	734,137
Property and equipment, net of accumulated depreciation	294,327	295,820
Customer relationship intangible assets, net of accumulated amortization	158,563	166,306
Other intangible assets, net of accumulated amortization	325	1,306
Goodwill	262,997	261,792
Other long-term assets	12,860	13,989
Total assets	1,576,111	1,473,350
Current liabilities
Accounts payable	123,495	174,583
Accrued expenses and other liabilities	110,276	96,262
Contract liabilities	34,888	0
Billings in excess of costs on uncompleted contracts	0	18,428
Income taxes payable	902	0
Interest payable	4,759	4,769
Current portion of long-term debt and capital lease obligations	6,661	7,739
Current portion of insurance reserves	15,198	13,496
Total current liabilities	296,179	315,277
Insurance reserves	41,270	38,470
Long-term debt	345,197	349,059
Long-term portion of capital lease obligations	8,845	14,838
Deferred income taxes	3,034	1,768
Other long-term liabilities	6,927	7,039
Total liabilities	701,452	726,451
Commitments and contingencies (Note 13)
Stockholders’ equity
Preferred stock, $0.01 par value, 50.0 million shares authorized, no shares issued and outstanding at December 31, 2018 and December 31, 2017	0	0
Common stock, $0.01 par value, 300.0 million shares authorized, 67.7 million and 67.3 million shares issued, and 67.2 million and 67.1 million outstanding at December 31, 2018 and December 31, 2017, respectively	677	673
Additional paid-in capital	672,095	659,440
Retained earnings	210,345	90,607
Treasury stock, at cost, 0.5 million and 0.2 million shares at December 31, 2018 and December 31, 2017, respectively	(8,458)	(3,821)
Total stockholders’ equity	874,659	746,899
Total liabilities and stockholders’ equity	$ 1,576,111	$ 1,473,350