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Property, Plant and Equipment - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 28, 2018
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2016
Property, Plant and Equipment [Abstract]        
Property, plant and equipment, sold $ 22,400      
Purchase and sale agreement, total consideration 23,000      
Deferred gain 100 $ 105    
Settlement costs 100      
Note receivable discount $ 300 337    
Depreciation expense   11,000 $ 7,000 $ 7,400
Accelerated depreciation   $ 4,900