Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 35,008	$ 30,363
Accounts receivable - net	79,324	66,632
Inventories - net	104,035	83,243
Prepaid income tax	1,048	14,166
Other current assets	9,986	5,200
Total current assets	229,401	199,604
Property, plant, and equipment - net	98,536	103,973
Other assets:
Goodwill	19,699	18,932
Other intangibles - net	59,135	63,519
Investments	151	4,031
Other assets	2,242	2,964
Total assets	409,164	393,023
Current liabilities:
Accounts payable	59,825	37,744
Deferred revenue	11,038	7,597
Accrued payroll and employee benefits	10,353	7,497
Accrued warranty	9,614	10,154
Current maturities of long-term debt	9,887	10,386
Other accrued liabilities	8,452	8,953
Total current liabilities	109,169	82,331
Long-term debt	128,398	149,179
Deferred tax liabilities	11,044	11,371
Other long-term liabilities	16,734	16,891
Stockholders' equity:
Common stock, par value $0.01, authorized 20,000,000 shares; shares issued at September 30, 2017 and December 31, 2016, 11,115,779; shares outstanding at September 30, 2017 and December 31, 2016, 10,340,576 and 10,312,625, respectively	111	111
Paid-in capital	44,423	44,098
Retained earnings	137,492	133,667
Treasury stock - at cost, common stock, shares at September 30, 2017 and December 31, 2016, 775,203 and 803,154, respectively	(18,662)	(19,336)
Accumulated other comprehensive loss	(19,545)	(25,289)
Total stockholders' equity	143,819	133,251
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 409,164	$ 393,023