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Business Combination and Acquisitions - Acquisitions - Additional Information (Detail)
$ in Thousands
Apr. 11, 2017
USD ($)
Sep. 29, 2016
USD ($)
Facility
Center
Jul. 28, 2016
USD ($)
Center
Apr. 04, 2016
USD ($)
Mar. 30, 2019
USD ($)
Mar. 31, 2018
USD ($)
Business Acquisition [Line Items]            
Goodwill         $ 173,406 $ 3,179
Innovative Building Systems LLC [Member]            
Business Acquisition [Line Items]            
Business acquisition, cash consideration paid   $ 14,300        
Business acquisition, date of acquisition   Sep. 29, 2016        
Number of manufacturing facilities | Facility   5        
Number of retail sales centers | Center   2        
Inventory   $ 1,500        
Land and manufacturing facilities   10,200        
Machinery and equipment   1,500        
Trade name intangibles   700        
Goodwill   100        
Business acquisition, transaction costs   1,700        
Business acquisition, loss on acquisition of debt   $ 700        
Skyco, LLC [Member]            
Business Acquisition [Line Items]            
Business acquisition, cash consideration paid       $ 300    
Business acquisition, date of acquisition       Apr. 04, 2016    
Panama City, Inc. [Member]            
Business Acquisition [Line Items]            
Business acquisition, cash consideration paid     $ 100      
Business acquisition, date of acquisition     Jul. 28, 2016      
Number of retail sales centers | Center     3      
Goodwill     $ 400      
Manufactured homes     2,100      
Floor plan payables     1,900      
Other net liabilities     $ 200      
Manufactured Housing Plant [Member] | Mansfield, Texas [Member]            
Business Acquisition [Line Items]            
Business acquisition, cash consideration paid $ 2,200