Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 78,967	$ 65,672
Accounts receivable, net of allowance for doubtful accounts of $2,201 and $2,080 at September 30, 2020 and December 31, 2019 respectively	98,709	93,444
Inventories	77,430	83,893
Prepaid expenses	5,021	4,385
Prepaid income taxes	7,185	5,098
Other current assets	2,810	2,454
Total current assets	270,122	254,946
Property, plant and equipment, net	219,554	216,859
Goodwill	526,257	523,998
Intangible assets with finite lives, net	126,182	143,924
Right of use assets	8,188	7,338
Other assets	11,038	8,617
Total assets	1,161,341	1,155,682
Current liabilities:
Trade accounts payable	23,329	37,267
Accrued expenses	28,991	24,604
Accrued compensation and other benefits	14,083	11,057
Dividends payable	136	16,855
Lease liabilities - current	1,874	2,475
Total current liabilities	68,413	92,258
Revolving loan	193,569	248,569
Deferred income taxes	57,082	56,431
Lease liabilities - non-current	6,026	4,827
Derivative liabilities	7,004	2,103
Other long-term obligations	9,804	7,827
Total liabilities	341,898	412,015
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, $0.0667 par value. Authorized 120,000,000 shares; 32,451,415 shares issued and 32,342,602 shares outstanding at September 30, 2020 and 32,405,796 shares issued and 32,201,917 outstanding at December 31, 2019, respectively	2,164	2,161
Additional paid-in capital	175,160	174,218
Retained earnings	653,382	590,921
Accumulated other comprehensive loss	(1,217)	(5,564)
Treasury stock, at cost: 108,813 and 203,879 shares at September 30, 2020 and December 31, 2019, respectively	(10,046)	(18,069)
Total stockholders' equity	819,443	743,667
Total liabilities and stockholders' equity	$ 1,161,341	$ 1,155,682