Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 69,168	$ 63,604
Trade receivables, less allowance for doubtful accounts of $2,761 and $2,245 at June 30, 2014 and December 31, 2013, respectively	125,412	109,084
Inventories	136,301	143,665
Deferred income taxes	9,742	9,754
Income tax receivable	2,754	5,032
Prepaid expenses and other current assets	14,192	18,066
Total current assets	357,569	349,205
Property, plant and equipment, net	155,905	157,535
Intangible assets, net	114,233	118,768
Goodwill	105,847	104,339
Deferred income taxes	925	934
Other non-current assets, net	4,220	4,895
Total assets	738,699	735,676
Current liabilities:
Accounts payable	53,339	51,180
Accrued payroll	23,958	23,983
Accruals and other current liabilities	35,962	34,979
Deferred income taxes	46	44
Income tax payable	6,900	12,963
Current portion of long-term debt	18,824	16,924
Total current liabilities	139,029	140,073
Long-term debt - less current portion and net of unaccreted discount	247,964	261,348
Deferred income taxes	53,882	53,813
Pension liabilities	7,873	8,025
Long-term taxes payable	753	1,038
Other long-term liabilities	993	1,055
Redeemable non-controlling interest	1,084	991
Commitment and Contingencies (See Note 17)
Stockholders’ equity:
Common stock ($0.001 par value, 90,000,000 shares authorized, 26,761,559 and 26,819,795 issued and outstanding at June 30, 2014 and December 31, 2013, respectively)	27	27
Additional paid-in capital	153,262	154,471
Retained earnings	151,444	133,231
Accumulated other comprehensive loss	(17,612)	(18,396)
Total stockholders’ equity	287,121	269,333
Total liabilities, redeemable non-controlling interest and stockholders’ equity	$ 738,699	$ 735,676