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Summary of Accounting Policies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 1 Months Ended 12 Months Ended
Jan. 17, 2012
Feb. 02, 2013
Week
D
Jan. 28, 2012
Week
Jan. 29, 2011
Week
Summary Of Significant Accounting Policies [Line Items]        
Weeks in the fiscal year   53 52 52
Revenue recognized from store card breakage   $ 13.9 $ 10.9 $ 10.1
Highly liquid investments maximum maturity days   90 days    
Cash and cash equivalents held for reinvestment   338.8    
In-transit inventory accrual   418.3 395.9  
Stock split, conversion ratio per share 2   2  
Depreciation and amortization expense   515.9 490.6 461.5
Amortization expense under capital lease   1.7 2.2 2.2
Rent expense recorded prior to minimum number of days before opening of store, in days   30    
Rent expense recorded prior to maximum number of days before opening of store, in days   60    
Percentage owned in subsidiary company   83.00%    
Goodwill   170.3 72.2 72.2
Impairment charges on fixed assets       83
Intangible assets impairment   0 0 0
Advertising expense   298.6 271.6 249.8
Common Stock
        
Summary Of Significant Accounting Policies [Line Items]        
Common stock issued on stock split     372  
Marshalls
        
Summary Of Significant Accounting Policies [Line Items]        
Indefinite lived Tradename carried value   107.7    
Sierra Trading Post
        
Summary Of Significant Accounting Policies [Line Items]        
Definite lived Tradename carried value   38.3    
Definite lived trade name amortization period   15 years    
Outside United States
        
Summary Of Significant Accounting Policies [Line Items]        
Cash and cash equivalent held   $ 948.6    
Minimum
        
Summary Of Significant Accounting Policies [Line Items]        
Short-term investments maturity term   90    
Definite lived trade name amortization period   7 years    
Maximum
        
Summary Of Significant Accounting Policies [Line Items]        
Short-term investments maturity term   1    
Definite lived trade name amortization period   10 years    
Building
        
Summary Of Significant Accounting Policies [Line Items]        
Property, plant and equipment useful life   33 years    
Leaseholds and Leasehold Improvements
        
Summary Of Significant Accounting Policies [Line Items]        
Property, plant and equipment useful lives   Amortized over their useful life or the committed lease term (typically 10 years), whichever is shorter    
Leaseholds and Leasehold Improvements | Maximum
        
Summary Of Significant Accounting Policies [Line Items]        
Property, plant and equipment useful life   10 years    
Furniture, Fixtures And Equipment | Minimum
        
Summary Of Significant Accounting Policies [Line Items]        
Property, plant and equipment useful life   3 years    
Furniture, Fixtures And Equipment | Maximum
        
Summary Of Significant Accounting Policies [Line Items]        
Property, plant and equipment useful life   10 years    
Software | Minimum
        
Summary Of Significant Accounting Policies [Line Items]        
Property, plant and equipment useful life   3 years    
Software | Maximum
        
Summary Of Significant Accounting Policies [Line Items]        
Property, plant and equipment useful life   10 years