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Commitments and Contingencies (Summary Of Changes In Product Warranties) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 29, 2012
Commitments and Contingencies Disclosure [Abstract]
Balance at January 29, 2012	$ 307
Current accruals	44
Accrual reversals	(68)
Settlements made (in cash or in kind) during period	0
Balance at July 29, 2012	$ 283

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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