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Goodwill and Intangible Assets Goodwlill and Intangible Assets- Future Amortization Expense (Details) (USD $)
In Thousands, unless otherwise specified
Jan. 26, 2013
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]  
Six months ending July 27, 2013 $ 14,220
Fiscal 2014 18,080
Fiscal 2015 15,222
Fiscal 2016 14,373
Fiscal 2017 13,106
Fiscal 2018 10,794
Thereafter $ 43,811