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The Company and a Summary of Its Significant Accounting Policies - Fair Values of Outstanding Foreign Currency Forward Contracts (Detail) (Derivatives designated as hedging instruments [Member], USD $)
In Thousands, unless otherwise specified
Mar. 29, 2013
Mar. 30, 2012
Other current assets [Member]
   
Derivatives, Fair Value [Line Items]    
Fair value of foreign currency forward contracts, Assets      
Other current assets [Member] | Foreign currency forward contracts [Member]
   
Derivatives, Fair Value [Line Items]    
Fair value of foreign currency forward contracts, Assets      
Accrued liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Fair value of foreign currency forward contracts, Liability 318 443
Accrued liabilities [Member] | Foreign currency forward contracts [Member]
   
Derivatives, Fair Value [Line Items]    
Fair value of foreign currency forward contracts, Liability $ 318 $ 443