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Accounts Receivable - Schedule of Continuity of Allowance for Doubtful Accounts (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 28, 2015
Mar. 29, 2014
Mar. 30, 2013
Receivables [Abstract]      
Beginning balance $ 1,806 $ 2,109 $ 2,465
Additional provision recorded 613    
Reduction in provision recorded   (7) (23)
Net write-offs (160) (296) (333)
Ending balance $ 2,259 $ 1,806 $ 2,109