Balance Sheet Components (Details) (USD $)	Jul. 29, 2012		Jan. 29, 2012
Inventories
Raw materials	$ 87,117,000		$ 84,927,000
Work in-process	82,339,000		62,934,000
Finished goods	217,729,000		192,436,000
Total inventories	387,185,000		340,297,000
Outstanding Inventory Purchase Obligations	669,900,000
Prepaid Expenses and Other Current assets:
Prepaid maintenance	18,107,000		12,965,000
Prepaid insurance	3,263,000		3,502,000
Prepaid taxes	10,069,000		10,069,000
Prepaid rent	2,635,000		3,410,000
Other	19,249,000		19,465,000
Total prepaid expenses and other	53,323,000		49,411,000
Accrued Liabilities
Deferred revenue	273,182,000		270,649,000
Accrued customer programs (1)	149,074,000	[1]	143,972,000	[1]
Warranty accrual (2)	16,537,000	[2]	18,406,000	[2]
Accrued payroll and related expenses	94,350,000		88,879,000
Accrued legal settlement (3)	30,600,000	[3]	30,600,000	[3]
Taxes payable, short term	10,165,000		6,941,000
Other	30,802,000		35,439,000
Total accrued liabilities and other	604,710,000		594,886,000
Other Long-term Liabilities
Deferred income tax liability	143,165,000		133,288,000
Income taxes payable, long term	108,588,000		63,007,000
Asset retirement obligation	10,337,000		10,199,000
Deferred Revenue	68,172,000		200,370,000
Liabilites other noncurrent	65,757,000		48,943,000
Total other long-term liabilities	$ 396,019,000		$ 455,807,000

[1] Please refer to Note 1 of these Notes to Condensed Consolidated Financial Statements for discussion regarding the nature of accrued customer programs and their accounting treatment related to our revenue recognition policies and estimates.

[2] Please refer to Note 11 of these Notes to Condensed Consolidated Financial Statements for discussion regarding the warranty accrual.

[3] Please refer to Note 12 of these Notes to Condensed Consolidated Financial Statements for discussion regarding the 3dfx litigation.