CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012		Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 49,681		$ 32,855
Accounts receivable, net of allowances of $15,859 and $15,985 at March 31, 2012 and December 31, 2011, respectively	87,506		104,305
Inventories	103,666		111,397
Deferred tax assets, net	1,482		1,480
Prepaid expenses	9,902		7,652
Other current assets	13,279		14,405
Total current assets	265,516		272,094
Property and equipment, net	52,213		53,487
Intangible assets, net	16,387		18,524
Goodwill	246,884	[1]	246,592
Other assets	9,526		11,568
Total assets	590,526		602,265
Current liabilities:
Accounts payable	37,188		42,533
Accrued compensation and benefits	22,873		31,750
Accrued expenses and other current liabilities	32,503		35,109
Income taxes payable	8,254		8,951
Deferred revenues	57,908		45,768
Total current liabilities	158,726		164,111
Long-term liabilities	29,121		27,885
Total liabilities	187,847		191,996
Contingencies (Note 10)
Stockholders' equity:
Common stock	423		423
Additional paid-in capital	1,021,880		1,019,200
Accumulated deficit	(547,575)		(532,478)
Treasury stock at cost, net of reissuances	(79,899)		(82,301)
Accumulated other comprehensive income	7,850		5,425
Total stockholders' equity	402,679		410,269
Total liabilities and stockholders' equity	$ 590,526		$ 602,265

[1] (a) The March 31, 2012 gross and net goodwill amounts include total foreign currency translation increases of approximately $0.3 million from the December 31, 2011 amounts.