Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018
Current assets
Cash and cash equivalents	$ 194,061	$ 160,180	$ 166,961
Trade accounts receivable, net	180,898	146,052	192,981
Inventories	242,730	276,088	279,503
Assets held-for-sale	0	0	9,251
Other current assets	17,565	17,209	12,220
Total current assets	635,254	599,529	660,916
Property, plant and equipment, net	250,950	254,597	257,679
Operating lease right-of-use assets	34,463
Goodwill	131,191	130,250	136,459
Equity investment	2,485	2,487	2,498
Intangible assets, net	21,816	24,402	25,457
Other noncurrent assets	10,149	10,398	11,604
Total Assets	1,086,308	1,021,663	1,094,613
Current liabilities
Trade accounts payable	40,861	34,361	42,734
Accrued liabilities and other current liabilities	125,006	117,219	124,717
Total current liabilities	165,867	151,580	167,451
Operating lease liabilities	27,256
Deferred income tax and other long-term liabilities	16,238	14,569	13,743
Total liabilities	209,361	166,149	181,194
Commitments and contingencies (see Note 12)
Stockholders’ equity
Common stock, at par value	446	453	462
Additional paid-in capital	278,898	276,504	274,126
Retained Earnings	649,053	628,207	686,351
Treasury stock	(21,437)	(25,000)	(24,491)
Accumulated other comprehensive loss	(30,013)	(24,650)	(23,029)
Total stockholders’ equity	876,947	855,514	913,419
Total liabilities and stockholders’ equity	$ 1,086,308	$ 1,021,663	$ 1,094,613