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Accounts Receivable - Additional Information (Detail) - Non Accrual [Member] - USD ($)
$ in Millions
12 Months Ended
Mar. 25, 2017
Mar. 26, 2016
Accounts Receivables [Line Items]    
Payment period of term loan Revolving lines of credit and/or installment plans under which the payment terms exceed one year.  
Outstanding amount of receivables $ 6.4 $ 5.0