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Business Combination and Acquisitions - Skyline Corporation Transaction - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 30, 2019
Dec. 29, 2018
Sep. 29, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 30, 2017
Sep. 30, 2017
Jul. 01, 2017
Mar. 30, 2019
Mar. 31, 2018
Apr. 01, 2017
Jun. 01, 2018
Business Acquisition [Line Items]                        
Stock based compensation expenses related to former Skyline employees                 $ 102,000 $ 600 $ 600  
Common stock closing price                       $ 33.39
Estimated weighted average useful lives                 10 years      
Deferred tax assets, net $ 27,300               $ 27,300      
Deferred tax liabilities 20,300               20,300      
Net sales 327,675 $ 354,671 $ 355,436 $ 322,261 $ 266,278 $ 294,378 $ 259,963 $ 244,103 1,360,043 1,064,722 $ 861,319  
Capital distribution to members                 65,300      
Retained Earnings [Member]                        
Business Acquisition [Line Items]                        
Capital distribution to members                 22,500      
Members' Contributed Capital [Member]                        
Business Acquisition [Line Items]                        
Capital distribution to members                 42,800      
Skyco, LLC [Member] | Other Expense [Member]                        
Business Acquisition [Line Items]                        
Business acquisition-related costs                 6,900 $ 7,200    
Skyco, LLC [Member] | SG&A [Member]                        
Business Acquisition [Line Items]                        
Stock based compensation expenses related to former Skyline employees                 6,000      
Skyline Corporation [Member]                        
Business Acquisition [Line Items]                        
Deferred tax assets, net 6,996               6,996      
Net sales                 218,800      
Skyline Corporation [Member] | Assets Classified As Held For Sale                        
Business Acquisition [Line Items]                        
Property classified as other current assets 2,100               2,100      
Skyline Corporation [Member] | Level 3 Fair Value Estimates [Member]                        
Business Acquisition [Line Items]                        
Property, plant and equipment, fair value 40,200               40,200      
Intangible assets, fair value $ 52,200               $ 52,200