CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	[1]
Current Assets:
Cash and cash equivalents	$ 67,468	$ 85,040
Accounts receivable, net of allowance for doubtful accounts of $1,950 in 2016 and $1,747 in 2015	82,639	86,268
Inventories	99,336	98,510
Other current assets	12,259	10,653
Total current assets	261,702	280,471
Property, plant and equipment, net	53,713	57,611
Intangible assets, net	79,215	87,827
Goodwill	19,264	121,634
Deferred income taxes	4,504	3,438
Other assets	27,095	27,524
Total assets	445,493	578,505
Current Liabilities:
Accounts payable	50,148	49,798
Accrued expenses	34,189	38,323
Current portion of long-term debt	9,725	24,772
Other current liabilities	7,283	8,959
Total current liabilities	101,345	121,852
Long-term Liabilities:
Long-term debt	146,776	158,776
Liability for uncertain tax positions	25,881	40,295
Minimum pension obligation and unfunded pension liability	15,729	15,576
Deferred income taxes	2,876	8,310
Other liabilities	346	574
Total liabilities	292,953	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	25,839	24,440
Retained earnings	149,829	229,371
Accumulated other comprehensive loss	(24,321)	(21,876)
Total stockholders' equity	152,540	233,122
Total liabilities and stockholders' equity	445,493	578,505
Class A [Member]
Stockholders' Equity:
Common Stock	217	217
Class B [Member]
Stockholders' Equity:
Common Stock	$ 976	$ 970

[1] (Revised)