Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jul. 01, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 70,370	$ 96,533
Short-term investments	63,928	23,838
Accounts receivable, net of allowances of $5,950 and $5,897 at July 1, 2011 and December 31, 2010, respectively	117,861	101,652
Inventories	61,064	58,065
Deferred income taxes	39,849	39,849
Prepaid expenses and other current assets	26,399	28,614
Total current assets	379,471	348,551
Property and equipment, net	39,678	39,825
Goodwill	212,210	211,878
Intangibles, net	102,979	118,070
Other assets	2,023	2,062
Total assets	736,361	720,386
Current liabilities:
Accounts payable	30,594	26,300
Income taxes payable	126	6,791
Deferred revenue	47,617	46,279
Accrued liabilities	39,486	51,283
Total current liabilities	117,823	130,653
Accrued excess facility costs, long-term	1,769	1,153
Income taxes payable, long-term	48,622	48,883
Deferred income taxes, long-term	15,635	14,849
Other non-current liabilities	6,082	4,645
Total liabilities	189,931	200,183
Commitments and contingencies (Notes 15 and 16)
Stockholders' equity:
Preferred stock, $0.001 par value, 5,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value, 150,000 shares authorized; 115,670 and 112,360 shares issued and outstanding at July 1, 2011 and December 31, 2010, respectively	116	112
Capital in excess of par value	2,422,468	2,397,671
Accumulated deficit	(1,875,962)	(1,876,868)
Accumulated other comprehensive loss	(192)	(712)
Total stockholders' equity	546,430	520,203
Total liabilities and stockholders' equity	$ 736,361	$ 720,386