Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 160,180	$ 168,514
Trade accounts receivable, net	146,052	135,958
Inventories	276,088	252,996
Other current assets	17,209	26,473
Total current assets	599,529	583,941
Property, plant and equipment, net	254,597	273,020
Goodwill	130,250	137,140
Equity investment (see Note 11)	2,487	2,549
Intangible assets, net	24,402	29,326
Other noncurrent assets	10,398	11,547
Total assets	1,021,663	1,037,523
Current liabilities
Trade accounts payable	34,361	31,536
Accrued liabilities	98,572	88,485
Accrued profit sharing trust contributions	7,804	7,054
Accrued cash profit sharing and commissions	10,843	9,416
Total current liabilities	151,580	136,491
Deferred income tax and other long-term liabilities	14,569	16,254
Total liabilities	166,149	152,745
Commitments and contingencies (see Note 14)
Stockholders’ equity
Preferred stock, par value $0.01; authorized shares, 5,000; issued and outstanding shares, none	0	0
Common stock, par value $0.01; authorized shares, 160,000; issued and outstanding shares, 44,998, and 46,745 at December 31, 2018 and 2017, respectively	453	473
Additional paid-in capital	276,504	260,157
Retained earnings	628,207	676,644
Treasury stock	(25,000)	(40,000)
Accumulated other comprehensive loss	(24,650)	(12,496)
Total stockholders’ equity	855,514	884,778
Total liabilities and stockholders’ equity	$ 1,021,663	$ 1,037,523