XML 78 R41.htm IDEA: XBRL DOCUMENT v2.4.0.6
Accounting Policies (Details) (USD $)
Apr. 27, 2013
Jul. 28, 2012
Restricted Cash [Abstract]    
Restricted cash $ 3,800,000 $ 3,700,000
Debt Instrument [Line Items]    
Debt and Capital Lease Obligations $ 440,632,000 $ 187,574,000
7.125% Senior Subordinated Notes Due 2021 | Senior Subordinated Notes
   
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 7.125%