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Estimated Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 30, 2013
Expected Amortization Expense [Line Items]  
Fiscal 2014 $ 2,187
Fiscal 2015 2,240
Fiscal 2016 2,234
Fiscal 2017 2,234
Fiscal 2018 2,187
Thereafter 9,898
Net $ 20,980