CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (USD $) In Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 37,557	$ 42,782
Accounts receivable, net of allowances of $15,400 and $17,149 at June 30, 2011 and December 31, 2010, respectively	98,386	101,171
Inventories	129,795	108,357
Deferred tax assets, net	1,144	1,068
Prepaid expenses	7,628	7,688
Other current assets	15,622	16,130
Total current assets	290,132	277,196
Property and equipment, net	59,254	62,519
Intangible assets, net	24,625	29,750
Goodwill	247,520	246,997
Other assets	11,065	10,109
Total assets	632,596	626,571
Current liabilities:
Borrowings under revolving credit facilities	13,000	0
Accounts payable	44,777	47,340
Accrued compensation and benefits	31,834	41,101
Accrued expenses and other current liabilities	35,560	40,986
Income taxes payable	2,801	4,640
Deferred revenues	49,341	40,585
Total current liabilities	177,313	174,652
Long-term liabilities	28,036	25,309
Total liabilities	205,349	199,961
Contingencies (Note 11)
Stockholders' equity:
Common stock	423	423
Additional paid-in capital	1,012,348	1,005,198
Accumulated deficit	(515,963)	(495,254)
Treasury stock at cost, net of reissuances	(84,834)	(91,025)
Accumulated other comprehensive income	15,273	7,268
Total stockholders' equity	427,247	426,610
Total liabilities and stockholders' equity	$ 632,596	$ 626,571