Investments (Tables)

3 Months Ended

Apr. 29, 2012

Investments [Abstract]

Summary Of Investments

	April 29, 2012						January 29, 2012
(in thousands)	Market Value		Adjusted Cost		Gross Unrealized Gain		Market Value		Adjusted Cost		Gross Unrealized Gain
Agency securities	$	14,022	$	14,003	$	19	$	26,132	$	26,110	$	22
Corporate issues		3,009		3,003		6		4,511		4,484		27
Bank time deposits		5,102		5,102		—		70,000		70,000		—
Total investments	$	22,133	$	22,108	$	25	$	100,643	$	100,594	$	49

Schedule Of Investments, Classified By Maturity Period

(in thousands)	April 29, 2012				January 29, 2012
	Market Value		Adjusted Cost		Market Value		Adjusted Cost
Within 1 year	$	8,611	$	8,605	$	83,121	$	83,085
After 1 year through 5 years		13,522		13,503		17,522		17,509
Total investments	$	22,133	$	22,108	$	100,643	$	100,594

Summary Of Unrealized Gains (Losses) On Investments

	Three months ended
(in thousands)	April 29, 2012			May 1, 2011
Unrealized loss, net of tax	$	(20	)	$	(37	)
Decrease to deferred tax liability		(4	)		(9	)

Schedule Of Interest Income Generated From Investments

	Three months ended
(in thousands)	April 29, 2012		May 1, 2011
Interest income	$	192	$	304