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Property and Equipment - Additional Information (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Mar. 25, 2017
Property, Plant and Equipment [Line Items]    
Property and plant under capital lease arrangement, cost $ 39,591 $ 39,501
Gross fixed assets write down 24,524 27,895
Assets Held under Capital Leases [Member]    
Property, Plant and Equipment [Line Items]    
Property and plant under capital lease arrangement, cost 800 700
Property and plant under capital lease arrangement, net book value 700 400
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and plant under capital lease arrangement, cost 24,082 23,324
Gross fixed assets write down $ 7,500 $ 7,900