CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 165,496	$ 150,723
Accounts receivable, net of allowances	325,741	298,440
Inventories	331,969	309,279
Contract assets	32,125	32,348
Income taxes receivable	7,504	0
Prepaid expenses and other current assets	66,818	56,249
Total current assets	929,653	847,039
Property and equipment, net of accumulated depreciation	345,466	294,327
Operating lease right-of-use assets	139,907	0
Customer relationship intangible assets, net of accumulated amortization	185,049	158,563
Other intangible assets, net of accumulated amortization	580	325
Goodwill	297,146	262,997
Other long-term assets	8,300	12,860
Total assets	1,906,101	1,576,111
Current liabilities
Accounts payable	189,644	123,495
Accrued expenses and other liabilities	117,825	110,276
Contract liabilities	31,094	34,888
Income taxes payable	0	902
Interest payable	4,759	4,759
Current portion of long-term debt and finance lease obligations	5,577	6,661
Current portion of operating lease liabilities	26,147	0
Current portion of insurance reserves	16,328	15,198
Total current liabilities	391,374	296,179
Insurance reserves	43,536	41,270
Long-term debt	346,032	345,197
Finance Lease, Liability, Noncurrent	6,959	8,845
Long-term portion of finance lease obligations		8,845
Long-term portion of operating lease liabilities	120,832	0
Deferred income taxes	15,195	3,034
Other long-term liabilities	661	6,927
Total liabilities	924,589	701,452
Commitments and contingencies (Note 14)
Stockholders’ equity
Preferred stock, $0.01 par value, 50.0 million shares authorized, no shares issued and outstanding at December 31, 2019 and December 31, 2018	0	0
Common stock, $0.01 par value, 300.0 million shares authorized, 68.3 million and 67.7 million shares issued, and 66.8 million and 67.2 million outstanding at December 31, 2019 and December 31, 2018, respectively	683	677
Additional paid-in capital	687,255	672,095
Retained earnings	320,190	210,345
Treasury stock, at cost, 1.5 million and 0.5 million shares at December 31, 2019 and December 31, 2018, respectively	(26,616)	(8,458)
Total stockholders’ equity	981,512	874,659
Total liabilities and stockholders’ equity	$ 1,906,101	$ 1,576,111