Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 39,004	$ 54,268
Accounts receivable, net of allowance for doubtful accounts of $583 and $610 at March 31, 2019 and December 31, 2018 respectively	99,834	99,545
Inventories	66,764	67,187
Prepaid expenses	3,510	3,830
Assets held for sale	11,748	0
Other current assets	806	1,484
Total current assets	221,666	226,314
Property, plant and equipment, net	188,036	194,339
Goodwill	446,453	447,995
Intangible assets with finite lives, net	100,088	105,985
Right of use assets	8,036	0
Other assets	7,609	6,722
Total assets	971,888	981,355
Current liabilities:
Trade accounts payable	26,342	33,345
Accrued expenses	20,922	22,025
Accrued compensation and other benefits	6,255	11,022
Dividends payable	78	15,220
Income tax payable	6,989	444
Lease liabilities - current	2,467	0
Liabilities held for sale	757	0
Total current liabilities	63,810	82,056
Revolving loan	140,000	156,000
Deferred income taxes	44,311	44,309
Lease liabilities - non-current	5,559	0
Other long-term obligations	7,699	7,372
Total liabilities	261,379	289,737
Commitments and contingencies (note 16)
Stockholders' equity:
Preferred stock, $25 par value. Authorized 2,000,000 shares; none issued and outstanding	0	0
Common stock, $.0667 par value. Authorized 120,000,000 shares; 32,336,228 shares issued and 32,330,032 outstanding at March 31, 2019 and 32,256,915 shares issued and 32,256,209 outstanding at December 31, 2018, respectively	2,156	2,151
Additional paid-in capital	166,762	165,098
Retained earnings	546,810	528,027
Accumulated other comprehensive loss	(4,686)	(3,602)
Treasury stock, at cost: 6,196 and 706 shares at March 31, 2019 and December 31, 2018	(533)	(56)
Total stockholders' equity	710,509	691,618
Total liabilities and stockholders' equity	$ 971,888	$ 981,355