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Intangible Assets and Goodwill - Additional Information (Detail) (USD $)
 3 Months Ended 12 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Mar. 31, 2012
Apr. 02, 2011
Apr. 03, 2010
Intangible Assets And Goodwill [Line Items]          
Amortization expense $ 400,000 $ 400,000 $ 1,500,000 $ 1,900,000 $ 1,700,000
Cumulative impairment of goodwill 5,400,000   5,400,000    
Impairment of long-lived assets     3,292,000 3,834,000  
Impairment of Intangible Assets
          
Intangible Assets And Goodwill [Line Items]          
Impairment of long-lived assets       $ 1,782,000  
Trademarks
          
Intangible Assets And Goodwill [Line Items]          
Amortization period 20 years   20 years