Fair Value Measurements (Tables)

12 Months Ended

Jan. 27, 2013

Fair Value Disclosures [Abstract]

Financial assets and liabilities measured and recorded at fair value on a recurring basis

Financial assets measured and recorded at fair value on a recurring basis consisted of the following types of instruments:

(in thousands)	Fair Value as of January 27, 2013								Fair Value as of January 29, 2012
	Total		(Level 1)		(Level 2)		(Level 3)		Total		(Level 1)		(Level 2)		(Level 3)
Agency securities	$	7,907	$	—	$	7,907	$	—	$	26,132	$	—	$	26,132	$	—
Corporate issues	—		—		—		—		4,511		—		4,511		—
Bank time deposits	4,973		—		4,973		—		70,000		—		70,000		—
Total available-for-sale securities	12,880		—		12,880		—		100,643		—		100,643		$	—
Interest rate cap	544		—		544		—		—		—		—		—
Total financial assets	$	13,424	$	—	$	13,424	$	—	$	100,643	$	—	$	100,643	$	—

Financial assets and liabilities measured and recorded at fair value on a recurring basis, presented on the consolidated condensed balance sheets

Financial assets measured and recorded at fair value on a recurring basis were presented on the Company’s consolidated balance sheets as follows:

	Fair Value as of January 27, 2013								Fair Value as of January 29, 2012
(in thousands)	Total		(Level 1)		(Level 2)		(Level 3)		Total		(Level 1)		(Level 2)		(Level 3)
Temporary investments	$	4,973	$	—	$	4,973	$	—	$	83,121	$	—	$	83,121	$	—
Long-term investments	7,907		—		7,907		—		17,522		—		17,522		—
Other assets	544		—		544		—		—		—		—		—
Total financial assets	$	13,424	$	—	$	13,424	$	—	$	100,643	$	—	$	100,643	$	—