Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 25,373	$ 16,793
Accounts receivable, net	205,767	170,329
Inventories, net	155,568	135,760
Prepaid expenses	5,336	4,725
Income tax receivable	483	11
Total current assets	392,527	327,618
Rental equipment, net	28,493	30,970
Property, plant and equipment	202,293	180,041
Less: Accumulated depreciation	(125,629)	(113,412)
Property, plant and equipment, net	76,664	66,629
Goodwill	84,761	74,825
Intangible assets, net	52,872	50,038
Deferred income taxes	992	619
Other assets	3,362	2,077
Total assets	639,671	552,776
Current liabilities:
Trade accounts payable	55,825	43,136
Income taxes payable	5,002	2,333
Accrued liabilities	40,454	33,158
Current maturities of long-term debt and capital lease obligations	82	73
Total current liabilities	101,363	78,700
Long-term debt and capital lease obligation, net of current maturities	60,000	70,017
Long-term tax liability	12,316	0
Accrued pension liabilities	1,225	2,929
Other long-term liabilities	7,291	6,969
Deferred income taxes	8,368	6,444
Stockholders’ equity:
Common stock, $.10 par value, 20,000,000 shares authorized; 11,577,048 and 11,462,484 outstanding at December 31, 2017 and December 31, 2016, respectively	1,158	1,146
Additional paid-in capital	103,864	99,765
Treasury stock, at cost; 42,600 shares at December 31, 2017 and December 31, 2016	(426)	(426)
Retained earnings	374,678	334,988
Accumulated other comprehensive loss	(30,166)	(47,756)
Total stockholders’ equity	449,108	387,717
Total liabilities and stockholders’ equity	$ 639,671	$ 552,776