Property and Equipment, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Apr. 01, 2017
Mar. 26, 2016
Mar. 28, 2015
Property and Equipment, Net      
Property and equipment, gross $ 121,176 $ 100,959  
Less: Accumulated depreciation (38,465) (24,883)  
Property and equipment, net 82,711 76,076  
Depreciation 14,555 11,480 $ 6,615
Land      
Property and Equipment, Net      
Property and equipment, gross 2,530 2,530  
Buildings      
Property and Equipment, Net      
Property and equipment, gross 7,998 7,998  
Leasehold improvements      
Property and Equipment, Net      
Property and equipment, gross 50,240 42,190  
Machinery and equipment      
Property and Equipment, Net      
Property and equipment, gross 19,101 13,433  
Furniture and fixtures      
Property and Equipment, Net      
Property and equipment, gross 36,948 31,462  
Construction in progress      
Property and Equipment, Net      
Property and equipment, gross 3,418 2,427  
Vehicles      
Property and Equipment, Net      
Property and equipment, gross $ 941 $ 919