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Commitments, Contingencies and Legal Proceedings - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 28, 2019
Sep. 29, 2018
Mar. 30, 2019
Commitment And Contingencies [Line Items]          
Reserve for estimated losses under repurchase agreements $ 900,000   $ 900,000   $ 1,000,000.0
Losses under repurchase obligations 157,400,000 $ 157,400,000 157,400,000 $ 157,400,000  
Guarantee outstanding 700,000   700,000    
Guarantee total amount 500,000   $ 500,000    
Guarantee obligations term     12 years    
Letters of Credit [Member]          
Commitment And Contingencies [Line Items]          
Contingent obligation 28,700,000   $ 28,700,000    
Long-term Debt [Member]          
Commitment And Contingencies [Line Items]          
Contingent obligation 12,700,000   12,700,000    
Casualty Insurance Program [Member]          
Commitment And Contingencies [Line Items]          
Contingent obligation 15,700,000   15,700,000    
Bonding Agreements [Member]          
Commitment And Contingencies [Line Items]          
Contingent obligation 300,000   300,000    
Surety Bond [Member]          
Commitment And Contingencies [Line Items]          
Contingent obligation $ 24,100,000   $ 24,100,000    
Minimum [Member]          
Commitment And Contingencies [Line Items]          
Guarantee obligations percentage     3.00%    
Maximum [Member]          
Commitment And Contingencies [Line Items]          
Guarantee obligations percentage     50.00%