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Goodwill and Intangible Assets Goodwlill and Intangible Assets- Future Amortization Expense (Details) (USD $)
In Thousands, unless otherwise specified
Apr. 27, 2013
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]  
Six months ending July 27, 2013 $ 7,056
Fiscal 2014 18,110
Fiscal 2015 15,241
Fiscal 2016 14,427
Fiscal 2017 13,088
Fiscal 2018 10,766
Thereafter $ 43,864