Debt and Floor Plan Payable - Additional Information (Detail) | Sep. 29, 2018USD ($) | Sep. 29, 2018USD ($) | Sep. 29, 2018USD ($) | Sep. 30, 2017 | Dec. 31, 2018 | Mar. 31, 2018USD ($) |
Term Notes [Member] | LIBOR [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Margin rate | | | 7.40% | 6.60% | | |
Stand Alone Facility [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Percentage of restricted cash of issued letters of credit | 101.00% | 101.00% | 101.00% | | | |
Obligations Under Industrial Revenue Bonds Due 2029 [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Weighted average interest rate | 3.90% | 3.90% | 3.90% | | | |
Industrial revenue bonds maturity | | | 2,029 | | | |
Floor Plan Financing Arrangements [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Weighted average interest rate | 6.00% | 6.00% | 6.00% | | | 6.00% |
Outstanding borrowings | $ 29,900,000 | $ 29,900,000 | $ 29,900,000 | | | $ 29,800,000 |
Available borrowings | 47,000,000 | 47,000,000 | $ 47,000,000 | | | |
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. | | | |
New Credit Agreement [Member] | Revolving Credit Facility [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Revolving credit facility | $ 100,000,000 | $ 100,000,000 | $ 100,000,000 | | | |
Weighted average interest rate | 4.00% | 4.00% | 4.00% | | | |
Interest rate on borrowings | 3.90% | | | | | |
New Credit Agreement [Member] | Revolving Credit Facility [Member] | Scenario Forecast [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
First lien leverage ratio | | | | | 2 | |
Revolving credit facility maturity date | | | | | Jun. 5, 2023 | |
New Credit Agreement [Member] | Revolving Credit Facility [Member] | LIBOR [Member] | Scenario Forecast [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Basis spread on variable rate | | | | | 1.75% | |
New Credit Agreement [Member] | Revolving Credit Facility [Member] | Base Rate [Member] | Scenario Forecast [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Basis spread on variable rate | | | | | 0.75% | |
New Credit Agreement [Member] | Revolving Credit Facility [Member] | First Lien Net Leverage Equal to Or Greater Than 2.00:1.00 [Member] | LIBOR [Member] | Scenario Forecast [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Basis spread on variable rate | | | | | 2.25% | |
New Credit Agreement [Member] | Revolving Credit Facility [Member] | First Lien Net Leverage Equal to Or Greater Than 2.00:1.00 [Member] | Base Rate [Member] | Scenario Forecast [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Basis spread on variable rate | | | | | 1.25% | |
New Credit Agreement [Member] | Revolving Credit Facility [Member] | First Lien Net Leverage Below 0.50:1.00 [Member] | LIBOR [Member] | Scenario Forecast [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Basis spread on variable rate | | | | | 1.50% | |
New Credit Agreement [Member] | Revolving Credit Facility [Member] | First Lien Net Leverage Below 0.50:1.00 [Member] | Base Rate [Member] | Scenario Forecast [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Basis spread on variable rate | | | | | 0.50% | |
New Credit Agreement [Member] | Revolving Credit Facility [Member] | Champion Enterprises Holdings, LLC [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Repayments of Long-term Debt | | | $ 46,900,000 | | | |
Minimum [Member] | New Credit Agreement [Member] | Revolving Credit Facility [Member] | First Lien Net Leverage [Member] | Scenario Forecast [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Commitment fee percentage | | | | | 0.40% | |
Maximum [Member] | New Credit Agreement [Member] | Revolving Credit Facility [Member] | First Lien Net Leverage [Member] | Scenario Forecast [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Commitment fee percentage | | | | | 0.25% | |
Weighted Average [Member] | Obligations Under Industrial Revenue Bonds Due 2029 [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Weighted average interest rate | | | | 2.40% | | |
Weighted average interest rate | | 3.70% | 3.50% | | | |
Letter of Credit [Member] | Stand Alone Facility [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Letters of credit issued | $ 21,000,000 | $ 21,000,000 | $ 21,000,000 | | | |
Letter of Credit [Member] | New Credit Agreement [Member] | Revolving Credit Facility [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Revolving credit facility | 45,000,000 | 45,000,000 | 45,000,000 | | | |
Letter of Credit [Member] | Minimum [Member] | New Credit Agreement [Member] | Revolving Credit Facility [Member] | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Revolving credit facility | $ 45,000,000 | $ 45,000,000 | $ 45,000,000 | | | |