Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 29, 2012	Jan. 30, 2011
Current Assets
Cash and cash equivalents	$ 227,022	$ 119,019
Temporary investments	83,121	112,237
Accounts receivable, less allowances of $3,594 at January 29, 2012 and $4,597 at January 30, 2011	49,644	50,610
Inventories	46,995	47,719
Deferred tax assets	5,339	13,369
Other current assets	15,191	10,744
Total current assets	427,312	353,698
Non-current assets:
Property, plant and equipment, net of accumulated depreciation of $85,393 at January 29, 2012 and $77,243 at January 30, 2011	69,713	56,778
Investments, maturities in excess of 1 year	17,522	27,086
Goodwill	129,651	129,651
Other intangibles, net	66,720	74,823
Other assets	15,403	17,907
TOTAL ASSETS	726,321	659,943
Current Liabilities:
Accounts payable	26,699	29,629
Accrued liabilities	32,389	55,842
Deferred revenue	3,853	5,020
Deferred tax liabilities	4,041	3,334
Total current liabilities	66,982	93,825
Non-current liabilities
Deferred tax liabilities	1,000	11,120
Other long-term liabilities	28,151	26,383
Commitments and contingencies
Stockholders' equity
Common stock, $0.01 par value, 250,000,000 shares authorized, 78,136,144 issued and 64,964,780 outstanding on January 29, 2012 and 78,136,144 issued and 63,927,740 outstanding on January 30, 2011	785	785
Treasury stock, at cost, 13,171,364 shares as of January 29, 2012 and 14,208,404 shares as of January 30, 2011	(225,822)	(232,267)
Additional paid-in capital	358,327	352,078
Retained earnings	496,363	407,276
Accumulated other comprehensive income	535	743
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 726,321	$ 659,943