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Taxes - Additional Information (Detail) (USD $)
 12 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Apr. 02, 2011
Income Tax [Line Items]      
Increase in deferred tax valuation allowance $ 1,600,000 $ 4,400,000 $ 3,300,000
Valuation allowance released 1,100,000 200,000 900,000
Accrued liability for uncertain tax positions 7,100,000    
Unrecognized tax benefits 6,628,000 1,758,000 939,000
Interest recognized 300,000 100,000  
Undistributed earnings 671,100,000    
Foreign Tax Authority
      
Income Tax [Line Items]      
Net operating loss carryforwards $ 51,700,000    
Foreign Tax Authority | Minimum
      
Income Tax [Line Items]      
Operating loss carry forward expiration year 2016