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v3.24.4

Segment Information - Additional Information (Detail) | 3 Months Ended
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Dec. 31, 2024 ft
Minimum [Member] |
Segment Reporting Information [Line Items] |
Number of models producing premium yachts | 33
Maximum [Member] |
Segment Reporting Information [Line Items] |
Number of models producing premium yachts | 60

X
- Definition Number of models producing premium yachts. + References No definition available. + Details
Name: | hzo_NumberOfModelsProducingPremiumYachts
Namespace Prefix: | hzo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |