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Fair Value (Tables)
3 Months Ended
Apr. 28, 2012
Fair Value Disclosures [Abstract]  
Company's assets and liabilities measured at fair value on a nonrecurring basis
 
Long-Lived Assets
Held and Used

 
Level 1

 
Level 2

 
Level 3

 
Total
Losses

Measured as of April 28, 2012
$
47

 
$

 
$

 
$
47

 
$
46