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Summary of Significant Accounting Policies - Additional information (Detail)
 3 Months Ended 12 Months Ended
Dec. 28, 2019
USD ($)
Jun. 29, 2019
USD ($)
Apr. 03, 2021
USD ($)
Facility
Center
shares
Mar. 28, 2020
USD ($)
shares
Mar. 30, 2019
USD ($)
Mar. 29, 2020
USD ($)
Jan. 05, 2018
shares
Significant Accounting Policies [Line Items]              
Common stock, shares issued | shares     56,640,000 56,665,000      
Allowance for doubtful accounts     $ 400,000 $ 400,000      
Depreciation expense, including amortization of assets under capital lease     $ 12,100,000 13,100,000 $ 11,300,000    
Number of idle manufacturing facilities | Facility     5        
Number of idle retail sales centers | Center     2        
Net book value of property, plant and equipment     $ 115,140,000 109,291,000      
Impairment loss     0 550,000 0    
Asset held for sale         2,100,000    
Loss on long-lived assets held for sale   $ 1,000,000.0          
Proceeds from disposal of property, plant, and equipment $ 1,100,000   $ 1,927,000 $ 196,000 56,000    
Amortization period for useful lives of intangible assets     7 years 9 months 18 days 7 years 1 month 6 days      
Self insurance reserve     $ 16,300,000 $ 16,500,000      
Expected reimbursements on losses above program limits     5,200,000 6,100,000      
Decreased in retained earnings     82,898,000 (48,000)      
Trade accounts receivable, net     57,481,000 45,733,000      
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]              
Significant Accounting Policies [Line Items]              
Increase in allowance for credit losses           $ 200,000  
Decreased in retained earnings           $ (200,000)  
Trade accounts receivable, net     400,000 400,000      
Other notes receivable net of reserves     $ 400,000 500,000      
Maximum [Member]              
Significant Accounting Policies [Line Items]              
Amortization period for useful lives of intangible assets     10 years        
Land and Improvements [Member] | Minimum [Member]              
Significant Accounting Policies [Line Items]              
Estimated useful lives of property, plant and equipment     3 years        
Land and Improvements [Member] | Maximum [Member]              
Significant Accounting Policies [Line Items]              
Estimated useful lives of property, plant and equipment     10 years        
Building and Improvements [Member] | Minimum [Member]              
Significant Accounting Policies [Line Items]              
Estimated useful lives of property, plant and equipment     8 years        
Building and Improvements [Member] | Maximum [Member]              
Significant Accounting Policies [Line Items]              
Estimated useful lives of property, plant and equipment     25 years        
Machinery and Equipment [Member] | Minimum [Member]              
Significant Accounting Policies [Line Items]              
Estimated useful lives of property, plant and equipment     3 years        
Machinery and Equipment [Member] | Maximum [Member]              
Significant Accounting Policies [Line Items]              
Estimated useful lives of property, plant and equipment     8 years        
Vehicles [Member] | Minimum [Member]              
Significant Accounting Policies [Line Items]              
Estimated useful lives of property, plant and equipment     3 years        
Vehicles [Member] | Maximum [Member]              
Significant Accounting Policies [Line Items]              
Estimated useful lives of property, plant and equipment     8 years        
Idle Manufacturing Facilities and Idle Retail Sales Centers [Member]              
Significant Accounting Policies [Line Items]              
Net book value of property, plant and equipment     $ 6,800,000        
Selling, General and Administrative Expenses [Member]              
Significant Accounting Policies [Line Items]              
Total advertising expense     $ 1,700,000 2,300,000 $ 1,500,000    
Impairment loss       $ 600,000      
U.S [Member]              
Significant Accounting Policies [Line Items]              
Number of manufacturing facilities | Facility     35        
Number of sales centers | Center     18        
Canada [Member]              
Significant Accounting Policies [Line Items]              
Number of manufacturing facilities | Facility     5        
COVID-19 [Member]              
Significant Accounting Policies [Line Items]              
CEWS payroll subsidies recognized     $ 6,200,000        
CARES act and other state level programs subsidies recognized     700,000        
Deferred payroll taxes paid     $ 11,800,000        
Indiana Corporation [Member]              
Significant Accounting Policies [Line Items]              
Ownership percentage             15.50%
Champion Enterprises Holdings, LLC [Member]              
Significant Accounting Policies [Line Items]              
Common stock, shares issued | shares             47,752,008
Ownership percentage             84.50%