Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 04, 2013		Apr. 28, 2012
Cash flows from operating activities:
Net income	$ 8,088		$ 14,832
Adjustments to reconcile net income to net cash (used in) operating activities:
Depreciation and amortization	7,493		6,820
Loss on disposals of property, plant and equipment	28		42
Non-cash equity compensation	510		599
(Decrease) in deferred taxes	(542)		(655)
Net (increase) in operating working capital and other components	(65,860)		(78,890)
Net cash (used in) operating activities	(50,283)		(57,252)
Cash flows from investing activities:
Capital expenditures	(5,895)	[1]	(5,937)	[1]
Proceeds from maturities of short-term investments	140,915		118,958
Payments to acquire short-term investments	(124,934)		(112,270)
Net cash provided by investing activities	10,086		751
Cash flows from financing activities:
Income tax benefit from equity compensation plans	(40)		14
Net proceeds from issuance of common stock	0		0
Tax payments related to equity compensation plans	(173)		(372)
Net cash (used in) financing activities	(213)		(358)
Net (decrease) in cash and cash equivalents	(40,410)		(56,859)
Cash and cash equivalents - beginning of period	71,288		87,230
Cash and cash equivalents - end of period	$ 30,878		$ 30,371

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