XML 56 R46.htm IDEA: XBRL DOCUMENT v3.23.1

Revenue Recognition - Summary of Revenue Disaggregated Into Categories Depict the Nature, Amount, Timing, and Uncertainty of Revenue and Cash Flows Affected by Economic Factor (Details) - Sales [Member] - Product Concentration Risk [Member]	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	100.00%	100.00%	100.00%	100.00%
Retail Operations [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	100.00%	100.00%	100.00%	100.00%
Product Manufacturing [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	100.00%	100.00%	100.00%	100.00%
New Boat Sales [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	70.20%	75.30%	69.50%	73.50%
New Boat Sales [Member] | Retail Operations [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	68.60%	73.90%	67.90%	72.20%
New Boat Sales [Member] | Product Manufacturing [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	97.70%	95.70%	96.80%	97.20%
Used Boat Sales [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	6.00%	7.90%	5.80%	7.50%
Used Boat Sales [Member] | Retail Operations [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	6.40%	8.40%	6.20%	7.80%
Used Boat Sales [Member] | Product Manufacturing [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	1.40%	3.50%	2.00%	2.00%
Maintenance, Repair, Storage, Rental, and Charter Services [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	11.80%	6.40%	12.50%	7.60%
Maintenance, Repair, Storage, Rental, and Charter Services [Member] | Retail Operations [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	12.40%	6.80%	13.10%	7.90%
Finance and Insurance Products [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	3.10%	2.90%	2.80%	2.90%
Finance and Insurance Products [Member] | Retail Operations [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	3.20%	3.00%	2.90%	3.10%
Parts and Accessories [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	5.20%	2.50%	5.10%	2.80%
Parts and Accessories [Member] | Retail Operations [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	5.50%	2.70%	5.40%	3.00%
Parts and Accessories [Member] | Product Manufacturing [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	0.70%	0.60%	0.50%	0.60%
Brokerage Sales [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	3.70%	5.00%	4.30%	5.70%
Brokerage Sales [Member] | Retail Operations [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	3.90%	5.20%	4.50%	6.00%
Brokerage Sales [Member] | Product Manufacturing [Member]
Product Information [Line Items]
Sales Revenue Goods And Services Net Percentage	0.20%	0.20%	0.70%	0.20%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

+ Details

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
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_ProductInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_ProductConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=hzo_RetailOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=hzo_ProductManufacturingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=hzo_NewBoatSalesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=hzo_UsedBoatSalesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=hzo_MaintenanceRepairStorageRentalAndCharterServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=hzo_FinanceAndInsuranceProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=hzo_PartsAndAccessoriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=hzo_BrokerageSalesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: