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Intangible Assets and Goodwill - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 28, 2013
Dec. 29, 2012
Intangible Assets And Goodwill [Line Items]        
Amortization expense $ 1.0 $ 0.4 $ 1.9 $ 1.1
Cumulative impairment of goodwill $ 5.4   $ 5.4  
Trademarks
       
Intangible Assets And Goodwill [Line Items]        
Amortization period     20 years