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Commitments, Contingencies and Concentrations - Additional Information (Detail)	12 Months Ended
	Mar. 30, 2019 USD ($) Employee Agreement	Mar. 31, 2018 USD ($)	Apr. 01, 2017 USD ($)
Commitment And Contingencies [Line Items]
Losses under repurchase obligations	$ 173,400,000
Reserve for estimated losses under repurchase agreements	1,000,000	$ 700,000
Guarantee outstanding	800,000
Guarantee total amount	$ 800,000
Guarantee obligations term	12 years
Net rent expense	$ 6,600,000	5,800,000	$ 5,000,000
Number of employees | Employee	7,000
Canada [Member] | Collective Bargaining Agreements One [Member]
Commitment And Contingencies [Line Items]
Number of employees | Employee	400
Agreement expiration date	2019-11
Canada [Member] | Collective Bargaining Agreements Two [Member]
Commitment And Contingencies [Line Items]
Number of employees | Employee	400
Agreement expiration date	2020-06
Canada [Member] | Manufacturing Facilities [Member]
Commitment And Contingencies [Line Items]
Number of employees | Employee	850
Number of separate collective bargaining agreements | Agreement	5
Canada [Member] | Manufacturing Facilities [Member] | Collective Bargaining Agreements [Member]
Commitment And Contingencies [Line Items]
Number of employees | Employee	700
Geographic Concentration Risk | Canada [Member]
Commitment And Contingencies [Line Items]
Net assets	$ 41,600,000	$ 35,900,000
Sales [Member] | Geographic Concentration Risk | Canada [Member]
Commitment And Contingencies [Line Items]
Concentration risk percentage	7.00%	9.00%	11.00%
Letters of Credit [Member]
Commitment And Contingencies [Line Items]
Contingent obligation	$ 21,000,000
Long-term Debt [Member]
Commitment And Contingencies [Line Items]
Contingent obligation	12,600,000
Casualty Insurance Program [Member]
Commitment And Contingencies [Line Items]
Contingent obligation	7,900,000
Repurchase Obligations [Member]
Commitment And Contingencies [Line Items]
Contingent obligation	200,000
Bonding Agreements [Member]
Commitment And Contingencies [Line Items]
Contingent obligation	300,000
Surety Bond [Member]
Commitment And Contingencies [Line Items]
Contingent obligation	$ 23,600,000
Minimum [Member]
Commitment And Contingencies [Line Items]
Period to potentially repurchase units	24 months
Guarantee obligations percentage	3.00%
Operating leases original lease term	3 years
Maximum [Member]
Commitment And Contingencies [Line Items]
Period to potentially repurchase units	30 months
Guarantee obligations percentage	50.00%
Operating leases original lease term	10 years

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