Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Assets
Cash and cash equivalents	$ 21,761	$ 23,168
Accounts receivable, net	41,711	39,777
Inventories, net	47,974	51,635
Prepaid expenses and other current assets	8,831	6,652
Deferred income tax assets	1,588	1,592
Total current assets	121,865	122,824
Property and equipment, net	34,691	38,440
Goodwill	178,905	170,194
Intangibles, net	44,821	43,148
Other assets	4,164	2,410
Total assets	384,446	377,016
Liabilities and Stockholders' Equity
Accounts payable	14,919	15,957
Accrued expenses	23,356	22,530
Deferred revenue	3,291	3,396
Current portion of long-term debt	963	1,708
Total current liabilities	42,529	43,591
Long-term debt, less current portion	32,223	32,474
Other long-term liabilities	2,892	2,153
Deferred income tax liabilities	7,875	8,761
Redeemable preferred stock, $0.0001 par value; 20,000 authorized at June 30, 2011 and December 31, 2010; 3,319 shares issued and outstanding at both June 30, 2011 and December 31, 2010	23,603	23,603
Commitments and contingencies
Stockholders' equity:
Common stock, $0.0001 par value; 200,000 authorized at June 30, 2011 and December 31, 2010; 89,183 and 89,040 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively	9	9
Treasury stock, 19 shares	(97)	(97)
Additional paid-in capital	385,172	383,647
Accumulated other comprehensive income (loss)	10,966	(1,310)
Accumulated deficit	(120,726)	(115,815)
Total stockholders' equity	275,324	266,434
Total liabilities and stockholders' equity	$ 384,446	$ 377,016