Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 81,556	$ 50,287
Accounts receivable, net of allowance for doubtful accounts of $230 and $288 at September 30, 2015 and December 31, 2014	64,220	71,982
Inventories	50,697	49,623
Prepaid expenses	2,475	4,545
Prepaid income taxes	427	0
Deferred income taxes	1,392	1,390
Other current assets	3,363	3,475
Total current assets	204,130	181,302
Property, plant and equipment, net	149,169	131,588
Goodwill	383,906	383,906
Intangible assets with finite lives, net	141,216	160,394
Other assets	4,173	4,341
Total assets	882,594	861,531
Current liabilities:
Trade accounts payable	18,780	24,352
Accrued expenses	17,049	15,614
Accrued compensation and other benefits	6,222	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	77,051	95,522
Long-term debt	271,250	297,500
Deferred income taxes	70,631	70,661
Other long-term obligations	6,345	5,950
Total liabilities	$ 425,277	$ 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; 31,509,483 shares issued and 31,505,888 outstanding at September 30, 2015 and 30,845,586 shares issued and outstanding at December 31, 2014	2,101	2,058
Additional paid-in capital	120,571	97,289
Retained earnings	339,266	295,202
Accumulated other comprehensive loss	(4,414)	(2,651)
Treasury stock, at cost: 3,595 and 0 shares at September 30, 2015 and December 31, 2014, respectively	(207)	0
Total stockholders' equity	457,317	391,898
Total liabilities and stockholders' equity	$ 882,594	$ 861,531