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Revenue - Summary of Corporate Net Sales (Detail) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2018
Jul. 01, 2017
Disaggregation of Revenue [Line Items]    
Consolidated Net Sales $ 322,261 $ 244,103
Manufacturing and Retail [Member]    
Disaggregation of Revenue [Line Items]    
Consolidated Net Sales 288,140  
Commercial [Member]    
Disaggregation of Revenue [Line Items]    
Consolidated Net Sales 5,338  
Transportation [Member]    
Disaggregation of Revenue [Line Items]    
Consolidated Net Sales 28,783  
U.S Factory-built Housing [Member]    
Disaggregation of Revenue [Line Items]    
Consolidated Net Sales 266,124  
U.S Factory-built Housing [Member] | Manufacturing and Retail [Member]    
Disaggregation of Revenue [Line Items]    
Consolidated Net Sales 260,786  
U.S Factory-built Housing [Member] | Commercial [Member]    
Disaggregation of Revenue [Line Items]    
Consolidated Net Sales 5,338  
Canadian Factory-built Housing [Member]    
Disaggregation of Revenue [Line Items]    
Consolidated Net Sales 27,354  
Canadian Factory-built Housing [Member] | Manufacturing and Retail [Member]    
Disaggregation of Revenue [Line Items]    
Consolidated Net Sales 27,354  
Corporate Other [Member]    
Disaggregation of Revenue [Line Items]    
Consolidated Net Sales 28,783  
Corporate Other [Member] | Transportation [Member]    
Disaggregation of Revenue [Line Items]    
Consolidated Net Sales $ 28,783