Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 30,855	$ 37,170
Accounts receivable, trade (net of allowance for doubtful accounts of $1,500 and $ 1,497 as of June 30, 2011 and December 31, 2010, respectively)	74,014	63,630
Inventories, net of reserve:
Raw materials and supplies	18,506	17,375
Work-in-process	7,495	6,906
Finished goods	167	85
Prepaid expenses and other current assets	5,769	5,951
Total current assets	136,806	131,117
Property and equipment	83,204	73,969
Less: accumulated depreciation and amortization	(48,015)	(43,249)
Property and equipment, net	35,189	30,720
Goodwill	14,538	13,148
Deferred tax assets	2,750	2,872
Intangible and other assets	8,168	4,244
Total assets	197,451	182,101
Current liabilities:
Current portion of long-term debt	2,727	76
Accounts payable	17,634	17,815
Accrued expenses and other current liabilities	21,846	24,488
Income taxes payable	906	557
Total current liabilities	43,113	42,936
Long-term debt, non-current	32,855	30,085
Net pension liability	8,591	8,432
Other liabilities	2,598	2,560
Commitments and contingencies (Note 11)
Stockholders' equity:
Common stock, no par value; 60,000,000 shares authorized; 41,070,216 and 40,925,619 shares issued as of June 30, 2011 and December 31, 2010, respectively	4,758	4,745
Additional paid-in capital	132,567	132,132
Accumulated deficit	(3,201)	(12,373)
Accumulated other comprehensive loss	(5,817)	(8,403)
Treasury stock, at cost (4,008,963 shares as of June 30, 2011 and December 31, 2010)	(18,013)	(18,013)
Total stockholders' equity	110,294	98,088
Total liabilities and stockholders' equity	197,451	182,101
Series B Preferred Stock
Stockholders' equity:
Series B Preferred Stock, unlimited shares authorized, none outstanding	$ 0	$ 0