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Weighted Average Assumptions for Obligation (Detail)
Feb. 01, 2014
Feb. 02, 2013
Funded Plan
   
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 5.00% 4.40%
Rate of compensation increase 4.00% 4.00%
Unfunded Plan
   
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 4.80% 4.00%
Rate of compensation increase 6.00% 6.00%