Fair Value of Cash Equivalents and Marketable Securities (Tables)

6 Months Ended

Jul. 29, 2012

Notes to financial statements [Abstract]



	Fair Value Measurement at Reporting Date Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs
	July 29, 2012		(Level 1)		(Level 2)
	(In thousands)
Debt securities issued by United States government agencies (1)	$	789,433	$	—	$	789,433
Debt securities issued by United States Treasury (1)	631,882		—		631,882
Corporate debt securities (2)	1,212,784		—		1,212,784
Mortgage-backed securities issued by government-sponsored entities (1)	182,630		—		182,630
Money market funds (3)	70,110		70,110		—
Total cash equivalents and marketable securities	$	2,886,839	$	70,110	$	2,816,729


(1)	Included in Marketable Securities on the Condensed Consolidated Balance Sheet.


(2)	Includes $38.2 million in Cash Equivalents and $1,174.6 million in Marketable Securities on the Condensed Consolidated Balance Sheet.


(3)	Included in Cash Equivalents on the Condensed Consolidated Balance Sheet.

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

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