Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 72,243	$ 50,287
Accounts receivable, net of allowance for doubtful accounts of $186 and $288 at June 30, 2015 and December 31, 2014	63,498	71,982
Inventories	47,882	49,623
Prepaid expenses	3,246	4,545
Prepaid income taxes	1,899	0
Deferred income taxes	1,413	1,390
Other current assets	3,296	3,475
Total current assets	193,477	181,302
Property, plant and equipment, net	139,749	131,588
Goodwill	383,906	383,906
Intangible assets with finite lives, net	147,752	160,394
Other assets	4,096	4,341
Total assets	868,980	861,531
Current liabilities:
Trade accounts payable	19,091	24,352
Accrued expenses	14,863	15,614
Accrued compensation and other benefits	5,066	9,137
Dividends payable	0	9,251
Income taxes payable	0	2,168
Current portion of long-term debt	35,000	35,000
Total current liabilities	74,020	95,522
Long-term debt	280,000	297,500
Deferred income taxes	70,669	70,661
Other long-term obligations	6,073	5,950
Total liabilities	$ 430,762	$ 469,633
Commitments and contingencies (note 14)
Stockholders' equity:
Preferred stock, $25 par value. Authorized 2,000,000 shares; none issued and outstanding	$ 0	$ 0
Common stock, $.0667 par value. Authorized 60,000,000 shares; 31,449,857 shares issued and outstanding at June 30, 2015 and 30,845,586 shares issued and outstanding at December 31, 2014	2,096	2,058
Additional paid-in capital	115,619	97,289
Retained earnings	325,290	295,202
Accumulated other comprehensive loss	(4,787)	(2,651)
Total stockholders' equity	438,218	391,898
Total liabilities and stockholders' equity	$ 868,980	$ 861,531