v2.4.0.6
Accrued Expenses and Other Current Liabilities (Detail) (USD $)
In Millions, unless otherwise specified
Jul. 28, 2012
Jul. 30, 2011
Schedule of Accrued Liabilities [Line Items]    
Accrued salary, wages and related expenses $ 125.1 $ 70.6
Accrued operating expenses 91.4 72.6
Sales and other taxes payable 20.8 12.6
Other 23.9 6.6
Total accrued expenses and other current liabilities $ 261.2 $ 162.4