Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 32,533	$ 84,795
Accounts receivable, net of allowance for doubtful accounts of $390 and $235 at September 30, 2016 and December 31, 2015, respectively	68,841	60,485
Inventories	56,675	46,085
Prepaid expenses	2,814	3,208
Prepaid income taxes	8,066	0
Deferred income taxes	814	810
Other current assets	3,042	2,909
Total current assets	172,785	198,292
Property, plant and equipment, net	166,680	158,515
Goodwill	444,083	383,906
Intangible assets with finite lives, net	154,842	134,911
Other assets	8,442	4,062
Total assets	946,832	879,686
Current liabilities:
Trade accounts payable	16,165	14,708
Accrued expenses	17,324	12,829
Accrued compensation and other benefits	5,305	5,128
Dividends payable	0	10,727
Income taxes payable	0	2,728
Current portion of long-term debt	35,000	35,000
Total current liabilities	73,794	81,120
Long-term debt	235,112	260,963
Revolving loan - long-term	28,000	0
Deferred income taxes	86,157	67,215
Other long-term obligations	7,347	6,683
Total liabilities	430,410	415,981
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 120,000,000 shares; 31,720,147 shares issued and outstanding at September 30, 2016 and 31,528,449 shares issued and 31,527,360 shares outstanding at December 31, 2015	2,115	2,102
Additional paid-in capital	134,745	122,594
Retained earnings	384,247	344,197
Accumulated other comprehensive loss	(4,685)	(5,114)
Treasury stock, at cost: 0 and 1,089 shares at September 30, 2016 and December 31, 2015, respectively	0	(74)
Total stockholders' equity	516,422	463,705
Total liabilities and stockholders' equity	$ 946,832	$ 879,686