Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 30,731	$ 20,197
Accounts receivable, net of allowance for doubtful accounts ($884 and $688)	106,219	102,564
Inventories	170,290	180,203
Other current assets	35,136	24,094
Total current assets	342,376	327,058
Property, plant and equipment, net	237,803	240,235
Lease right-of-use assets	55,597	0
Goodwill	152,767	152,767
Intangibles and other assets, net	87,301	95,094
Total assets	875,844	815,154
Current liabilities:
Accounts payable, trade and other	57,850	80,007
Other current liabilities	58,655	49,993
Total current liabilities	116,505	130,000
Long-term debt	340,000	300,000
Long-term lease obligations	49,077	0
Other long-term liabilities	32,364	49,639
Total liabilities	537,946	479,639
Commitments and contingencies (Note 14)
Common stock, par value $.001 per share; authorized 100,000,000; issued 23,042,492 and 22,984,608; outstanding 19,690,774 and 19,613,085 shares	20	20
Paid-in capital	147,727	142,558
Common stock held in treasury, at cost (3,351,718 and 3,371,523 shares)	(177,097)	(176,862)
Retained earnings	372,885	372,815
Accumulated other comprehensive loss	(5,637)	(3,016)
Total stockholders' equity	337,898	335,515
Total liabilities and stockholders' equity	$ 875,844	$ 815,154