v2.4.0.6
Property and Equipment, Net (Detail) (USD $)
In Millions, unless otherwise specified
Apr. 28, 2012
Jul. 30, 2011
Property, Plant, and Equipment Disclosure [Line Items]    
Property and Equipment $ 915.0 $ 883.2
Less accumulated depreciation (429.4) (394.2)
Property and equipment, net 485.6 489.0
Land
   
Property, Plant, and Equipment Disclosure [Line Items]    
Property and Equipment 16.9 16.5
Buildings and improvements
   
Property, Plant, and Equipment Disclosure [Line Items]    
Property and Equipment 47.5 78.0
Leasehold improvements
   
Property, Plant, and Equipment Disclosure [Line Items]    
Property and Equipment 350.8 332.0
Furniture, fixtures, and equipment
   
Property, Plant, and Equipment Disclosure [Line Items]    
Property and Equipment 304.7 271.3
Information technology
   
Property, Plant, and Equipment Disclosure [Line Items]    
Property and Equipment 158.5 148.8
Construction in Progress
   
Property, Plant, and Equipment Disclosure [Line Items]    
Property and Equipment $ 36.6 $ 36.6