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Bank Indebtedness - Summary of Company's Senior Credit Facility (Detail) - Senior Secured Notes [Member] - USD ($)
$ in Thousands
12 Months Ended
Mar. 26, 2016
Mar. 28, 2015
Line of Credit Facility [Line Items]    
Maximum borrowing outstanding during the year $ 78,137 $ 86,450
Average outstanding balance during the year $ 68,205 $ 73,207
Weighted average interest rate for the year 3.20% 3.30%
Effective interest rate at year-end 3.30% 3.20%