Balance Sheet Components (Details) (USD $)	Apr. 27, 2014		Jan. 26, 2014
Inventories
Raw materials	$ 143,773,000		$ 126,896,000
Work in-process	83,767,000		94,844,000
Finished goods	165,740,000		166,025,000
Total inventories	393,280,000		387,765,000
Outstanding Inventory Purchase Obligations	414,200,000
Accrued Liabilities
Deferred revenue, short-term	265,668,000		265,616,000
Accrued customer programs	139,139,000	[1]	157,840,000	[1]
Accrued payroll and related expenses	86,544,000		109,721,000
Accrued legal settlement	30,600,000	[2]	30,600,000	[2]
Professional service fees	12,647,000		13,572,000
Customer advances	10,043,000		9,297,000
Warranty accrual	8,250,000	[3]	7,571,000	[3]
Office lease related liabilities	7,756,000		3,139,000
Coupon interest on Notes	6,250,000		2,500,000
Taxes payable, short-term	4,497,000		2,378,000
Other	17,543,000		18,871,000
Total accrued liabilities and other	588,937,000		621,105,000
Other Long-term Liabilities
Deferred income tax liability	175,236,000		157,953,000
Income taxes payable, long-term	116,881,000		119,977,000
Deferred Revenue, long-term	106,169,000	[4]	172,199,000
Asset retirement obligation	7,365,000		11,056,000
Other long-term liabilities	14,123,000		13,940,000
Total other long-term liabilities	$ 419,774,000		$ 475,125,000

[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 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] Represents 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 three months ended April 27, 2014.