CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	[1]
Current Assets:
Cash and cash equivalents	$ 67,015	$ 85,040
Accounts receivable, net of allowance for doubtful accounts of $1,847 in 2016 and $1,747 in 2015	84,185	86,268
Inventories	96,344	98,510
Other current assets	11,334	10,653
Total current assets	258,878	280,471
Property, plant and equipment, net	52,073	57,611
Intangible assets, net	77,318	87,827
Goodwill	19,167	121,634
Deferred income taxes	4,988	3,438
Other assets	27,199	27,524
Total assets	439,623	578,505
Current Liabilities:
Accounts payable	46,388	49,798
Accrued expenses	34,654	38,323
Current portion of long-term debt	10,453	24,772
Other current liabilities	6,609	8,959
Total current liabilities	98,104	121,852
Long-term Liabilities:
Long-term debt	136,267	158,776
Liability for uncertain tax positions	25,449	40,295
Minimum pension obligation and unfunded pension liability	16,010	15,576
Deferred income taxes	1,475	8,310
Other liabilities	322	574
Total liabilities	277,627	345,383
Commitments and contingencies
Stockholders' Equity:
Preferred stock, no par value, 1,000,000 shares authorized; none issued	0	0
Additional paid-in capital	26,476	24,440
Retained earnings	158,724	229,371
Accumulated other comprehensive loss	(24,397)	(21,876)
Total stockholders' equity	161,996	233,122
Total liabilities and stockholders' equity	439,623	578,505
Class A Common Stock [Member]
Stockholders' Equity:
Common Stock	217	217
Class B Common Stock [Member]
Stockholders' Equity:
Common Stock	$ 976	$ 970

[1] (Revised)