Balance Sheet Components (Details) (USD $)	Oct. 26, 2014		Jan. 26, 2014
Inventories
Raw materials	$ 128,588,000		$ 126,896,000
Work in-process	78,849,000		94,844,000
Finished goods	200,644,000		166,025,000
Total inventories	408,081,000		387,765,000
Outstanding Inventory Purchase Obligations	512,200,000
Accrued Liabilities and Other Current Liabilities
Deferred revenue, short-term	240,829,000		265,616,000
Accrued customer programs	154,185,000	[1]	157,840,000	[1]
Accrued payroll and related expenses	98,870,000		109,721,000
Accrued legal settlement	30,600,000	[2]	30,600,000	[2]
Customer advances	17,806,000		9,297,000
Professional service fees	12,368,000		13,572,000
Warranty accrual	7,222,000	[3]	7,571,000	[3]
Coupon interest on Notes	6,292,000		2,500,000
Taxes payable, short-term	5,512,000		2,378,000
Facilities related liabilities	15,781,000		5,216,000
Other	16,345,000		16,794,000
Total accrued liabilities and other current liabilities	605,810,000		621,105,000
Other Long-Term Liabilities
Deferred income tax liability	210,388,000		157,953,000
Income taxes payable, long-term	122,854,000		119,977,000
Deferred Revenue, long-term	0	[4]	172,199,000
Asset retirement obligation	7,406,000		11,056,000
Other	14,485,000		13,940,000
Total other long-term liabilities	$ 355,133,000		$ 475,125,000

[1] Please refer to Note 1 of the Notes to the Consolidated Financial Statements in our Annual Report on Form 10-K for the fiscal year ended January 26, 2014, 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 12 of these Notes to Condensed Consolidated Financial Statements for discussion regarding the 3dfx litigation.

[3] Please refer to Note 10 of these Notes to Condensed Consolidated Financial Statements for discussion regarding the warranty accrual.

[4] Consists primarily of annual consideration received in advance of our performance obligation under our patent cross licensing agreement with Intel Corporation entered into in January 2011. The decrease in deferred revenue, long-term, is a result of revenue recognized during the nine months ended October 26, 2014.