XML 26 R67.htm IDEA: XBRL DOCUMENT v2.4.0.6
Taxes - Additional Information (Detail) (USD $)
 12 Months Ended
Mar. 31, 2012
Apr. 02, 2011
Apr. 03, 2010
Income Tax [Line Items]      
Increase in deferred tax valuation allowance $ 4,400,000 $ 3,300,000 $ 800,000
Valuation allowance released 200,000 900,000  
Accrued liability for uncertain tax positions 1,900,000    
Unrecognized tax benefits 1,758,000 939,000 378,000
Interest recognized 100,000 100,000  
Undistributed earnings 274,300,000    
UNITED STATES
      
Income Tax [Line Items]      
Net operating loss carryforwards 2,900,000    
UNITED STATES | Minimum
      
Income Tax [Line Items]      
Operating loss carry forward expiration year 2026    
Foreign Tax Authority
      
Income Tax [Line Items]      
Net operating loss carryforwards $ 43,700,000    
Foreign Tax Authority | Minimum
      
Income Tax [Line Items]      
Operating loss carry forward expiration year 2016