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Business Combination - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Sep. 28, 2019
Jun. 29, 2019
Sep. 29, 2018
Jun. 30, 2018
Sep. 28, 2019
Sep. 29, 2018
Mar. 30, 2019
Jun. 01, 2018
Business Acquisition [Line Items]                
Common stock closing price               $ 33.39
Estimated weighted average useful lives         10 years      
Deferred tax assets, net $ 27,300,000       $ 27,300,000      
Deferred tax liabilities 20,300,000       20,300,000      
Net sales 354,458,000   $ 355,436,000   726,346,000 $ 677,697,000    
Capital distribution to members         65,300,000      
Retained Earnings [Member]                
Business Acquisition [Line Items]                
Capital distribution to members         22,500,000      
Members' Contributed Capital [Member]                
Business Acquisition [Line Items]                
Capital distribution to members         42,800,000      
Skyco, LLC [Member] | Other Expense [Member]                
Business Acquisition [Line Items]                
Business acquisition-related costs     500,000   0 6,900,000    
Skyco, LLC [Member] | Selling, General and Administrative Expenses [Member]                
Business Acquisition [Line Items]                
Stock based compensation expenses related to former Skyline employees       $ 6,000,000.0 0      
Skyline Corporation [Member]                
Business Acquisition [Line Items]                
Assets held for sale               $ 2,086,000
Deferred tax assets, net               $ 7,034,000
Net sales     $ 68,000,000.0     $ 90,100,000    
Skyline Corporation [Member] | Assets Classified as Held For Sale [Member]                
Business Acquisition [Line Items]                
Property classified as other current assets 2,100,000       2,100,000      
Skyline Corporation [Member] | Level 3 Fair Value Estimates [Member]                
Business Acquisition [Line Items]                
Property, plant and equipment, fair value 40,200,000       40,200,000      
Intangible assets, fair value 52,100,000       52,100,000      
Property, plant and equipment, impairment loss   $ 1,000,000.0            
Assets held for sale $ 1,100,000       $ 1,100,000   $ 2,100,000