Unaudited Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Oct. 29, 2011	Jan. 29, 2011
Current assets:
Cash and cash equivalents	$ 52,650	$ 72,732
Short-term marketable securities	47,350	47,482
Restricted cash	1,770	1,616
Accounts receivable, net	26,032	31,348
Inventories	22,460	37,714
Deferred tax assets	5,378	4,670
Prepaid expenses and other current assets	8,140	7,493
Total current assets	163,780	203,055
Long-term marketable securities	59,814	57,308
Software, equipment and leasehold improvements, net	36,678	28,392
Goodwill		44,910
Intangible assets, net	31,230	107,628
Deferred tax assets, net of current portion	13,082	13,051
Long-term investments	6,442	4,300
Other non-current assets	468	595
Total assets	311,494	459,239
Current liabilities:
Accounts payable	11,918	15,650
Accrued liabilities	21,676	24,209
Total current liabilities	33,594	39,859
Other long-term liabilities	14,571	13,780
Long-term deferred tax liabilities	2,004	7,559
Total liabilities	50,169	61,198
Shareholders' equity:
Common stock and additional paid-in capital	454,034	441,249
Treasury stock	(85,941)	(85,941)
Accumulated other comprehensive income	827	1,121
Retained earnings (accumulated deficit)	(107,595)	41,612
Total shareholders' equity	261,325	398,041
Total liabilities and shareholders' equity	$ 311,494	$ 459,239