Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 03, 2014		May 04, 2013
Cash flows from operating activities:
Net income (loss)	$ (37,137)		$ 8,088
Adjustments to reconcile net income to net cash (used in) operating activities:
Depreciation and amortization	7,401		7,493
Loss on disposals of property, plant and equipment	45		28
Non-cash equity compensation	690		510
Deferred taxes	(28,920)		(542)
Net (increase) in operating working capital and other components	(43,075)		(65,860)
Net cash (used in) operating activities	(100,996)		(50,283)
Cash flows from investing activities:
Capital expenditures	(5,825)	[1]	(5,895)	[1]
Proceeds from maturities of short-term investments	139,969		140,915
Payments to acquire short-term investments	0		(124,934)
Net cash provided by investing activities	134,144		10,086
Cash flows from financing activities:
Income tax benefit (detriment) from equity compensation plans	90		(40)
Net proceeds from issuance of common stock	0		0
Tax payments related to equity compensation plans	(349)		(173)
Net cash (used in) financing activities	(259)		(213)
Net increase (decrease) in cash and cash equivalents	32,889		(40,410)
Cash and cash equivalents - beginning of period	305,531		71,288
Cash and cash equivalents - end of period	$ 338,420		$ 30,878

[1] Capital expenditures include payments for property, plant and equipment made for the reportable segment.