Debt and Floor Plan Payable - Additional Information (Detail)	6 Months Ended
Sep. 26, 2020 USD ($)	Mar. 28, 2020 USD ($)
Obligations Under Industrial Revenue Bonds Due 2029 [Member]
Debt Instrument [Line Items]
Weighted-average interest rate	2.22%
Industrial revenue bonds maturity	2029
Floor Plan Financing Arrangements [Member]
Debt Instrument [Line Items]
Available borrowings under Credit Agreement	$ 49,000,000.0
Outstanding borrowings	$ 26,600,000	$ 33,900,000
Line of Credit Facility, description	Borrowings are secured by the homes and are required to be repaid when the Company sells the home to a customer.
Credit Agreement [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 100,000,000.0
First lien leverage ratio	2
Revolving credit facility maturity date	Jun. 05, 2023
Interest rate on borrowings	1.70%
Credit Agreement [Member] \| Revolving Credit Facility [Member] \| First Lien Net Leverage Equal to Or Greater Than 2.00:1.00 [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Credit Agreement [Member] \| Revolving Credit Facility [Member] \| First Lien Net Leverage Equal to Or Greater Than 2.00:1.00 [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
Credit Agreement [Member] \| Revolving Credit Facility [Member] \| First Lien Net Leverage Below 0.50:1.00 [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
Credit Agreement [Member] \| Revolving Credit Facility [Member] \| First Lien Net Leverage Below 0.50:1.00 [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Minimum [Member] \| Credit Agreement [Member] \| Revolving Credit Facility [Member] \| First Lien Net Leverage [Member]
Debt Instrument [Line Items]
Unused line fee percentage	0.25%
Maximum [Member] \| Credit Agreement [Member] \| Revolving Credit Facility [Member] \| First Lien Net Leverage [Member]
Debt Instrument [Line Items]
Unused line fee percentage	0.40%
Letter of Credit [Member] \| Credit Agreement [Member]
Debt Instrument [Line Items]
Letters of credit issued	$ 33,900,000
Available borrowings under Credit Agreement	1,200,000
Letter of Credit [Member] \| Minimum [Member] \| Credit Agreement [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 45,000,000.0

Industrial revenue bonds maturity.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Weighted average interest rate of debt outstanding.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

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Date the credit facility terminates, in CCYY-MM-DD format.

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The effective interest rate during the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Indebtedness divided by net capital.

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