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Financial Instruments - Additional Information (Detail) - USD ($)
$ in Thousands
Mar. 30, 2019
Mar. 31, 2018
Fair Value Disclosures [Abstract]    
Bank indebtedness $ 47,021 $ 36,925 [1]
Long-term debt bearing interest at variable rates 13,000 2,300
Fixed-rate long-term debt 4,200 5,900
Fair value of fixed long-term debt and other long-term liabilities $ 4,000 $ 5,800
[1] Recast (refer to note 1)