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Charges and Payments Related to Restructuring and Separation Costs (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
May 03, 2014
May 04, 2013
Restructuring Cost and Reserve [Line Items]    
Severance-Restructuring, Beginning Balance   $ 597
Severance-Restructuring, Charges   1,625
Severance-Restructuring, Cash Payments   (547)
Severance-restructuring - Other     
Severance-Restructuring, Ending Balance   1,675
Severance-Restructuring
   
Restructuring Cost and Reserve [Line Items]    
Severance-Restructuring, Charges   758
Severance-Restructuring, Cash Payments   (127)
Severance-restructuring - Other     
Severance-Restructuring, Ending Balance   631
Severance-Separation Cost
   
Restructuring Cost and Reserve [Line Items]    
Severance-Restructuring, Beginning Balance 233 597
Severance-Restructuring, Charges   867
Severance-Restructuring, Cash Payments (172) (420)
Severance-restructuring - Other      
Severance-Restructuring, Ending Balance $ 61 $ 1,044