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Financial Instruments - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 25, 2017
Mar. 26, 2016
Mar. 28, 2015
Fair Value Disclosures [Abstract]      
Percentage of consolidated sale 42.00% 39.00% 36.00%
Bank indebtedness $ 70,434 $ 62,431  
Long-term debt bearing interest at variable rates 30,900 40,000  
Fixed-rate long-term debt 2,400 12,400  
Fair value of fixed long-term debt and other long-term liabilities $ 2,300 $ 12,900