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Reconciliation of Level 3 Plan Assets Measured at Fair Value (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Common/Collective Trusts
   
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at beginning of year $ 14,775 $ 16,100
Earned income, net of management expenses 1,258 517
Unrealized gain on investment 39 1,427
Purchases, sales, issuances and settlements, net (2,914) (3,269)
Fair value of plan assets at end of year 13,158 14,775
Limited Partnership
   
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at beginning of year 12,042 10,609
Earned income, net of management expenses 348 230
Unrealized gain on investment 595 2,291
Purchases, sales, issuances and settlements, net (1,921) (1,088)
Fair value of plan assets at end of year $ 11,064 $ 12,042