v2.4.0.6
Prepaid Expenses and Other Current Assets (Detail) (USD $)
In Millions, unless otherwise specified
Jul. 28, 2012
Jul. 30, 2011
Prepaid And Other Current Assets [Line Items]    
Prepaid expenses $ 74.8 $ 27.3
Accounts receivable 37.9 24.3
Other current assets 46.1 20.7
Total prepaid expenses and other current assets $ 158.8 $ 72.3