Fair Value Measurements (Tables)

6 Months Ended

Jul. 28, 2012

Fair Value, Assets Measured on Recurring Basis

The tables below set forth, by level, the Company’s financial assets that were accounted for at fair value as of July 28, 2012 and January 28, 2012. The tables do not include assets and liabilities that are measured at historical cost or any basis other than fair value (in thousands):

	Level 1		Level 2		Level 3		Portion of Carrying Value Measured at Fair Value at July 28, 2012
Items measured at fair value on a recurring basis:
Assets
Cash equivalents:
Money market funds	$	93,827	$	—	$	—	$	93,827
Corporate debt securities		—		30,243		—		30,243
Time deposits		—		214,706		—		214,706
Short-term investments:
U.S. federal and state debt securities		609,580		—				609,580
Corporate debt securities		—		616,469		—		616,469
Foreign government		—		2,036		—		2,036
Long-term investments:
Auction rate securities		—		—		18,103		18,103
Other non-current assets:
Severance pay fund		—		1,713		—		1,713
Total assets	$	703,407	$	865,167	$	18,103	$	1,586,677
Liabilities
Accrued liabilities:
Forward contracts	$	—	$	1,772	$	—	$	1,772

	Level 1		Level 2		Level 3		Portion of Carrying Value Measured at Fair Value at January 28, 2012
Items measured at fair value on a recurring basis:
Assets
Cash equivalents:
Money market funds	$	64,247	$	—	$	—	$	64,247
Corporate debt securities		—		12,500		—		12,500
Time deposits		—		205,060		—		205,060
Short-term investments:
U.S. federal and state debt securities		771,715		—		—		771,715
Corporate debt securities		—		687,845		—		687,845
Foreign government		—		2,036		—		2,036
Long-term investments:
Auction rate securities		—		—		23,215		23,215
Other non-current assets:
Severance pay fund		—		1,734		—		1,734
Total assets	$	835,962	$	909,175	$	23,215	$	1,768,352
Liabilities
Accrued liabilities:
Forward contracts	$	—	$	1,520	$	—	$	1,520

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The following table summarizes the change in fair value for Level 3 items (in thousands):

	Six Months Ended
	July 28, 2012			July 30, 2011
Beginning balance	$	23,215		$	26,226
Sales and redemption		(5,000	)		(200	)
Unrealized (loss) gain included in accumulated other comprehensive income		(112	)		44
Ending balance	$	18,103		$	26,070