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Fair Values of Forward Foreign Currency Exchange Contracts (Detail) (Foreign Exchange Forward, Not Designated as Hedging Instrument, USD $)
In Thousands, unless otherwise specified
Mar. 30, 2013
Mar. 31, 2012
Prepaid Expenses and Other Current Assets
   
Derivatives, Fair Value [Line Items]    
Fair value of derivative assets $ 1,367 $ 1,318
Accrued Expenses and Other Current Liabilities
   
Derivatives, Fair Value [Line Items]    
Fair value of derivative liabilities $ (71) $ (276)