XML 98 R66.htm IDEA: XBRL DOCUMENT v2.4.0.6
Weighted Average Assumptions For Obligation (Detail)
Feb. 02, 2013
Jan. 28, 2012
Pension Funded Plan
   
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 4.40% 4.80%
Rate of compensation increase 4.00% 4.00%
Pension Unfunded Plan
   
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 4.00% 4.40%
Rate of compensation increase 6.00% 6.00%