75000 - Document - Document and Entity Information
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75010 - Statement - Condensed Consolidated Statements of Operations (Unaudited)
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75020 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited)
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75030 - Statement - Condensed Consolidated Balance Sheets (Unaudited)
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75040 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)
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75050 - Statement - Condensed Consolidated Statements of Shareholders' Equity (Unaudited)
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75060 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)
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995455 - Disclosure - Company Background
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995465 - Disclosure - Basis of Presentation
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995475 - Disclosure - New Accounting Pronouncements
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995485 - Disclosure - Fair Value Measurements
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995495 - Disclosure - Revenue Recognition
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995505 - Disclosure - Leases
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995515 - Disclosure - Inventories
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995525 - Disclosure - Goodwill
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995535 - Disclosure - Income Taxes
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995545 - Disclosure - Short-Term Borrowings and Long-Term Debt
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995555 - Disclosure - Stock-Based Compensation
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995565 - Disclosure - The Incentive Stock Plans
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995575 - Disclosure - Employee Stock Purchase Plan
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995585 - Disclosure - Restricted Stock Awards
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995595 - Disclosure - Net Income Per Share
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995605 - Disclosure - Commitments and Contingencies
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995615 - Disclosure - Segment Information
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995625 - Disclosure - Subsequent Event
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995635 - Disclosure - Basis of Presentation (Policies)
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995645 - Disclosure - Fair Value Measurements (Tables)
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995655 - Disclosure - Revenue Recognition (Tables)
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995665 - Disclosure - Leases (Tables)
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995675 - Disclosure - Inventories (Tables)
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995685 - Disclosure - Goodwill (Tables)
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995695 - Disclosure - Short-Term Borrowings and Long-Term Debt (Tables)
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995705 - Disclosure - The Incentive Stock Plans (Tables)
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995715 - Disclosure - Employee Stock Purchase Plan (Tables)
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995725 - Disclosure - Restricted Stock Awards (Tables)
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995735 - Disclosure - Net Income Per Share (Tables)
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995745 - Disclosure - Segment Information (Tables)
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995755 - Disclosure - Company Background - Additional Information (Detail)
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995765 - Disclosure - Basis of Presentation - Additional Information (Detail)
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995775 - Disclosure - Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value (Details)
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995785 - Disclosure - Fair Value Measurements - Additional Information (Details)
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995795 - Disclosure - Fair Value Measurements - Summary of Ranges for Significant Quantitative Unobservable Inputs Utilized in Fair Value Measurements (Details)
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995805 - Disclosure - Fair Value Measurements - Summary of Changes in Fair Value of Contingent Consideration Liabilities Which Reflect Level 3 Inputs (Details)
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995815 - Disclosure - Fair Value Measurements - Summary of Carrying Value and Fair Value of Mortgage Facilities and Term Loan (Details)
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995825 - Disclosure - Revenue Recognition - Additional Information (Detail)
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995835 - Disclosure - Revenue Recognition - Summary of Percentage on Timing of Revenue Recognition by Reportable Segment (Details)
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995845 - Disclosure - 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)
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995855 - Disclosure - Revenue Recognition - Summary of Maintenance, Repair, Storage, Rental, Charter Services and Parts and Accessories Revenue for Retail Operations by Location Type (Details)
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995865 - Disclosure - Leases - Additional Information (Details)
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995875 - Disclosure - Leases - Summary of Maturities of Lease Liabilities by Fiscal Year (Details)
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995885 - Disclosure - Leases - Summary of Maturities of Lease Liabilities by Fiscal Year (Details) 2
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995895 - Disclosure - Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details)
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995905 - Disclosure - Leases - Summary of Operating Lease Income and Other Income (Detail)
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995915 - Disclosure - Leases - Summary of Future Minimum Payments Received (Details)
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995925 - Disclosure - Inventories - Summary of Inventories (Detail)
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995935 - Disclosure - Goodwill - Additional Information (Detail)
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995945 - Disclosure - Goodwill - Summary of Changes in Carrying Amount of Goodwill by Reportable Segment (Detail)
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995955 - Disclosure - Income Taxes - Additional Information (Detail)
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995965 - Disclosure - Short-Term Borrowings and Long-Term Debt - Additional Information (Detail)
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995975 - Disclosure - Short-Term Borrowings and Long-Term Debt - Schedule of Long-Term Debt (Detail)
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995985 - Disclosure - Short-Term Borrowings and Long-Term Debt - Schedule of Long-Term Debt (Parenthetical) (Detail)
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995995 - Disclosure - Stock-Based Compensation - Additional Information (Detail)
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996005 - Disclosure - The Incentive Stock Plans - Additional Information (Detail)
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996015 - Disclosure - The Incentive Stock Plans - Summary of Activity from Incentive Stock Plans (Detail)
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996025 - Disclosure - Employee Stock Purchase Plan - Additional Information (Detail)
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996035 - Disclosure - Employee Stock Purchase Plan - Weighted Average Assumptions of Employee Stock Purchase Plan (Detail)
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996045 - Disclosure - Restricted Stock Awards - Additional Information (Detail)
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996055 - Disclosure - Restricted Stock Awards - Restricted Stock Award Activity (Detail)
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996065 - Disclosure - Net Income Per Share - Basic and Diluted Net Income Per Share (Detail)
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996075 - Disclosure - Net Income Per Share - Additional Information (Detail)
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996085 - Disclosure - Commitments and Contingencies (Additional Information) (Details)
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996095 - Disclosure - Segment Information - Additional Information (Detail)
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996105 - Disclosure - Segment Information - Summary of Revenue, Income from Operations and Significant Expenses of Reportable Segments (Details)
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996115 - Disclosure - Segment Information - Summary of Revenue, Income from Operations and Significant Expenses of Reportable Segments (Parenthetical) (Details)
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996125 - Disclosure - Segment Information - Summary of Depreciation and Amortization of Reportable Segments (Details)
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996135 - Disclosure - Subsequent Event - Additional Information (Detail)
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Weighted Average Grant Date Fair Value, Awards vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Options cancelled/forfeited/expired, Weighted Average Exercise Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
Segments
Segments [Domain]
Concentration Risk Type
Concentration Risk Type [Axis]
Maintenance, repair, storage, rental, charter services, parts and accessories revenue.
Maintenance, Repair, Storage, Rental, Charter Services, Parts and Accessories Revenue [Member]
Maintenance, Repair, Storage, Rental, Charter Services, Parts and Accessories Revenue [Member]
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Preferred stock, shares issued
Preferred Stock, Shares Issued
Statement of Financial Position Location, Balance [Domain]
Beginning Balance
Ending Balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
Increase (Decrease) in Accounts Payable, Total
Accounts payable
Increase (Decrease) in Accounts Payable
Long-term debt, net current portion and unamortized debt issuance costs
Long-term debt, net of current maturities
Long-Term Debt, Excluding Current Maturities
Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease)
Change in fair value of contingent consideration
Plan Name
Plan Name [Axis]
Entity Current Reporting Status
Entity Current Reporting Status
Brunswick Sea Ray Boat [Member]
Brunswick Sea Ray Boat [Member]
Brunswick sea ray boat.
Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Contingent acquisition consideration payments
Contingent acquisition consideration payments.
Contingent Acquisition Consideration Payments
Contingent acquisition consideration payments
Common stock, shares authorized
Common Stock, Shares Authorized
Product and Service
Product and Service [Axis]
Document Fiscal Period Focus
Document Fiscal Period Focus
Other Noncurrent Liabilities [Member]
Debt instrument interest rate
Debt Instrument, Interest Rate, Stated Percentage
Revenue from Contract with Customer [Abstract]
Entity Shell Company
Entity Shell Company
Term loan payable to M&T Bank [Member]
Term Loan Payable to M&T Bank [Member]
Term loan payable to M&T Bank [Member]
Term loan payable to M&T Bank.
Cash and Cash Equivalents, at Carrying Value, Total
Cash and cash equivalents
Cash and Cash Equivalent
Distributions to non-controlling interests
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
Fair value, liabilities, level 2 to level 3 transfers
Fair Value Liabilities Level2 To Level3 Transfers Amount
Amount of transfers of liabilities measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 3.
Goodwill
Goodwill Disclosure [Text Block]
Common stock, shares issued
Beginning Balance, Shares
Ending Balance, Shares
Common Stock, Shares, Issued
Maintenance and Repair Services [Member]
Maintenance and Repair Services [Member]
Maintenance and repair services.
Statement [Table]
Statement [Table]
Operating leases
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Weighted average grant fair value of options granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Closing price of common stock on the first and last day of the offering
Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent
Discount rate
Discount Rate Percent
Discount rate percent.
Contractual term of plan 2021
Stock Incentive Plan Contractual Term Maximum
Stock incentive plan contractual term maximum.
Statement [Line Items]
Statement [Line Items]
Purchase of treasury stock
Treasury Stock, Value, Acquired, Cost Method
Entity Filer Category
Entity Filer Category
Total liabilities and shareholders’ equity
Liabilities and Equity
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Long-Term Debt, Current Maturities, Total
Less: current portion
Current maturities on long-term debt
Long-Term Debt, Current Maturities
Amortization
Amortization, Total
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Exercisable as of June 30, 2026, Weighted Average Exercise Price
Incentive stock plan two thousand eleven.
Incentive Stock Plan Two Thousand Eleven [Member]
Incentive Stock Plan 2011 [Member]
Subsequent Event [Line Items]
Brokerage Sales [Member]
Brokerage sales.
Brokerage Sales [Member]
Goodwill, Total
Goodwill
Beginning balance
Ending balance
Goodwill
Fair value, assets, level 2 to level 1 transfers
Fair Value Assets Level 2 To Level1 Transfer Amount
Fair value assets level 2 to level1 transfer amount.
Effective Income Tax Rate Reconciliation, Percent, Total
Effective income tax rate
Effective Income Tax Rate Reconciliation, Percent
Stock Options [Member]
Income Taxes Paid
Income taxes paid
Treasury Stock, Common, Value
Treasury stock, at cost, 8,675,055 shares held as of June 30, 2026 and September 30, 2025
Thereafter
Lessor operating lease liability payments due after year four
Lessor operating lease liability payments due after year four.
Geographical
Geographical [Domain]
The Incentive Stock Plans
Incentive Stock Plans [Text Block]
Incentive stock plans.
Brunswick [Member]
Brunswick Corporation [Member]
Brunswick corporation.
Summary of Inventories
Schedule of Inventory, Current [Table Text Block]
Additional paid-in capital
Additional Paid in Capital, Common Stock
Fair value, assets, level 1 to level 3 transfers
Fair Value Assets Level1 To Level3 Transfers Amount
Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 3.
Shares issued upon vesting of equity awards, net of minimum tax withholding
Shares Issued Upon Vesting Of Equity Awards Net Of Tax Withholding Value
Shares issued upon vesting of equity awards net of tax withholding value.
Revenue
Revenue From Contract With Customer Percentage
Revenue from contract with customer, percentage.
Concentration Risk [Table]
Concentration Risk [Table]
Share-based compensation arrangement by share-based payment award, options, granted, weighted average remaining contractual term.
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Granted, Weighted Average Remaining Contractual Term
Options granted, Weighted Average Remaining Contractual Life
Options granted, Options Outstanding
Options granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
Disaggregation Of Revenue [Table]
Disaggregation of Revenue [Table]
Earnings Per Share, Basic, Total
Earnings Per Share, Basic
Basic net income (loss) per common share
Disaggregation of Revenue [Table Text Block]
Summary of Maintenance, Repair, Storage, Rental, Charter Services and Parts and Accessories Revenue for Retail Operations by Location Type
Repayments of Long-Term Debt
Repayments of Long-Term Debt, Total
Payments of long-term debt
Purchase of treasury stock
Payments for Repurchase of Equity
Payments for Repurchase of Equity, Total
Purchase of treasury stock
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total
Foreign currency translation adjustments
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Options Outstanding, Beginning Balance
Options Outstanding, Ending Balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Revolving Credit Facility [Member]
Total rental income
Operating Lease, Lease Income
Total current liabilities
Liabilities, Current
Accounts receivable, net
Increase (Decrease) in Accounts Receivable
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Summary of Changes in Fair Value of Contingent Consideration Liabilities Which Reflect Level 3 Inputs
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Pledging Purpose [Axis]
Amended Credit Facility [Member]
Amended Credit Facility [Member]
Amended Credit Facility.
Product Concentration Risk [Member]
Product Concentration Risk [Member]
Consolidation Items
Consolidation Items [Domain]
SHAREHOLDERS’ EQUITY:
Equity, Attributable to Parent [Abstract]
Entity Small Business
Entity Small Business
Retained Earnings (Accumulated Deficit), Total
Retained earnings
Retained Earnings (Accumulated Deficit)
Company Background
Nature of Operations [Text Block]
Geographic Concentration Risk [Member]
Geographic Concentration Risk [Member]
Total intrinsic value of options exercised
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Inventory financing additional floor plan available borrowings.
Additional floor plan borrowings
Inventory Financing Additional Floor Plan Available Borrowings
Short term borrowings outstanding
Short-Term Debt, Maximum Amount Outstanding During Period
Stock-Based Compensation
Share-Based Payment Arrangement [Text Block]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Leases [Abstract]
Maximum common stock value purchased by participant annually
Share Based Compensation Arrangement By Share Based Payment Award Maximum Number Of Common Stock Value Per Employee
Share based compensation arrangement by share based payment award maximum number of common stock value per employee.
Amendment Flag
Amendment Flag
Product and Service
Product and Service [Domain]
Inventories
Inventory Disclosure [Text Block]
Concentration Risk [Line Items]
Concentration Risk [Line Items]
LIABILITIES AND SHAREHOLDERS’ EQUITY
Liabilities and Equity [Abstract]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Net cash provided by operating activities
Fixed coverage ratio
Fixed Coverage Ratio
Fixed coverage ratio.
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description
Options cancelled/forfeited/expired, Shares Available for Grant
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Forfeitures And Expirations In Period
Share based compensation arrangement by share based payment award number of shares available for grant forfeitures and expirations in period.
Common Stock [Member]
Common Stock [Member]
Options granted, Weighted Average Exercise Price
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
2029
Lessee, Operating Lease, Liability, to be Paid, Year Three
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total
Property and equipment, accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Brunswick Boston Whaler Boats [Member]
Brunswick Boston Whaler Boats [Member]
Brunswick Boston whaler boats.
Portion at Fair Value Measurement [Member]
Portion at Fair Value Measurement [Member] [Default]
Entity Address, Address Line One
Entity Address, Address Line One
Proceeds from insurance settlements
Proceeds from Insurance Settlement, Investing Activities
Level 1 [Member]
Fair Value Hierarchy and NAV [Axis]
Earnings Per Share [Abstract]
Supplemental disclosures of cash flow information:
Supplemental Cash Flow Information [Abstract]
Statement of Financial Position Location, Balance [Axis]
Operating lease right-of-use assets, net
Operating Lease, Right-of-Use Asset
Distributions to non-controlling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Net Income (Loss) Attributable to Noncontrolling Interest, Total
Less: Net income attributable to non-controlling interests
Inventory Disclosure [Abstract]
Revenue remaining obligation description
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Explanation
Document Type
Document Type
Gross profit
Gross Profit
Entity Central Index Key
Entity Central Index Key
Line Of Credit Facility [Table]
Line of Credit Facility [Table]
Interest Rate Prime [Member]
Prime Rate [Member]
Used inventory maturity period
Used Inventory From Used Inventory Date Period
Used inventory from used inventory date period.
Retail Operations [Member]
Retail Operations [Member]
Retail operations.
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS
Subsequent Event Type [Domain]
Intangible Assets, Net (Including Goodwill), Total
Goodwill and other intangible assets, net
Intangible Assets, Net (Including Goodwill)
Anti-dilutive securities excluded from earnings per share calculation
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Common stock, par value
Common Stock, Par or Stated Value Per Share
Percentage of outstanding borrowings hedged
Percentage of Debt Hedged by Interest Rate Derivatives
Base Rate [Member]
Base Rate [Member]
Goodwill [Line Items]
Goodwill [Line Items]
Weighted Average Remaining Contractual Life
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Options exercised, Shares Available for Grant
Options exercised, Options Outstanding
Shares issued upon exercise of stock options, Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Debt Disclosure [Abstract]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Total
Interest rate swap contract
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
Fair Value [Member]
Estimate of Fair Value Measurement [Member]
Accrued Liabilities, Current
Accrued Liabilities, Current, Total
Accrued expenses
Interest rate on floor plan facility
Interest Rate on Floor Plan Facility
Interest rate on floor plan facility.
Contingent Consideration Liabilities [Member]
Contingent Consideration Liabilities [Member]
Contingent consideration liabilities.
Current Fiscal Year End Date
Current Fiscal Year End Date
Debt Instrument [Table]
Schedule of Long-Term Debt Instruments [Table]
Document Quarterly Report
Document Quarterly Report
Timing of Transfer of Good or Service
Timing of Transfer of Good or Service [Axis]
Fair Value By Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Entity Address, State or Province
Entity Address, State or Province
Shares/ Units, Non-vested beginning balance
Shares/ Units, Non-vested ending balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Additional borrowings
Inventory Financing Additional Available Borrowings
Inventory financing additional available borrowings.
Current available borrowings
Line of Credit Facility, Remaining Borrowing Capacity
Remaining borrowing capacity
Proceeds from (Repayments of) Short-Term Debt, Total
Proceeds from (Repayments of) Short-Term Debt
Net (repayments) borrowings on short-term borrowings (Floor Plan)
Preferred Stock, Shares Outstanding, Ending Balance
Preferred Stock, Shares Outstanding, Beginning Balance
Preferred stock, shares outstanding
Preferred Stock, Shares Outstanding
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Comprehensive income (loss) attributable to MarineMax, Inc.
Additional Common Shares Authorized
Common Stock, Capital Shares Reserved for Future Issuance
Effect of dilutive options and non-vested restricted stock awards
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements
Inventory
Inventory [Axis]
Geographical
Geographical [Axis]
Raw materials
Inventory, Raw Materials, Gross
Non-controlling interests
Equity, Attributable to Noncontrolling Interest
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance
Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance
Stockholders' Equity Attributable to Noncontrolling Interest, Total
Shares issued upon exercise of stock options
Stock Issued During Period, Value, Stock Options Exercised
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive (loss) income, net of tax:
Mortgage facility and term loan payable
Long-Term Debt, Fair Value
Subsequent Event [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized
Shares authorized, Shares Available for Grant
Additional common shares authorized
Net operating income projected growth rates
Net operating income projected growth rates Percent
Net operating income projected growth rates percent.
Other long-term assets
Other Assets, Noncurrent
Fair Value Measurement Inputs and Valuation Techniques [Table]
Antidilutive Securities
Antidilutive Securities [Axis]
Letters of credit for insurance carriers and equity investment
Debt Securities
Debt Securities, Total
Thereafter
Lessee Operating Lease Liability Payments Due After Year Four
Lessee operating lease liability payments due after year four.
Accumulated Other Comprehensive Income (Loss) [Member]
AOCI Attributable to Parent [Member]
Treasury stock, shares
Treasury Stock, Common, Shares
Goodwill, Impairment Loss
Goodwill impairment
Goodwill And Other Assets Disclosure [Table]
Goodwill and other assets disclosure.
Preferred Stock, Value, Issued
Preferred stock, $.001 par value, 1,000,000 shares authorized, none issued or outstanding as of June 30, 2026 and September 30, 2025
Selling, General and Administrative Expense, Total
Selling, general, and administrative expenses
Selling, General and Administrative Expense
Additional extension for two one-year periods
Debt Instrument, Maturity Date
Minimum [Member]
Minimum [Member]
Weighted Average Grant Date Fair Value, Awards granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Financial Instrument
Financial Instrument [Axis]
CURRENT ASSETS:
Assets, Current [Abstract]
Level 3 [Member]
Fair Value, Inputs, Level 3 [Member]
Liabilities:
Liabilities, Fair Value Disclosure [Abstract]
Segment Reporting [Abstract]
Operating Lease Income Comprehensive Income Extensible List Not Disclosed Flag
Operating lease income comprehensive income extensible list not disclosed flag.
Summary of Financial Assets and Liabilities Measured at Fair Value
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Used Boat Sales [Member]
Used Boat Sales [Member]
Used boat sales.
CURRENT LIABILITIES:
Liabilities, Current [Abstract]
Summary of Future Minimum Payments Received
Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block]
Accounts Receivable, after Allowance for Credit Loss, Current, Total
Accounts Receivable, after Allowance for Credit Loss, Current
Accounts receivable, net
Percentage of actual amount of award earned based on actual specified performance target met
Share Based Compensation Arrangement By Share Based Payment Award Percentage Earning Range
Share based compensation arrangement by share based payment award percentage earning range.
Operating lease renewal term
Lessee, Operating Lease, Renewal Term
COMMITMENTS AND CONTINGENCIES
Commitments and Contingencies
Weighted Average Grant Date Fair Value, Non-vested beginning balance
Weighted Average Grant Date Fair Value, Non-vested ending balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Incentive Stock Plan 2021 [Member]
Incentive Stock Plan Two Thousand Twenty One [Member]
Incentive stock plan two thousand twenty one
Work-in-process
Inventory, Work in Process, Gross
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture, Total
Stock-based compensation, Shares
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture
Operating Lease, Liability, Total
Present value of lease liabilities
Operating Lease, Liability
Debt instrument basis percentage
Interest rate for amounts outstanding under the Credit Facility
Debt Instrument, Basis Spread on Variable Rate
Short-term borrowings (Floor Plan)
Short-Term Debt, Total
Short-Term Debt
Summary of Changes in Carrying Amount of Goodwill by Reportable Segment
Schedule of Goodwill [Table Text Block]
Cash paid for amounts included in the measurement of lease liabilities:
Cash Flow, Operating Activities, Lessee [Abstract]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Concentration Risk Benchmark
Concentration Risk Benchmark [Axis]
Number of retail locations
Number of Stores
Swingline facility
Bridge Loan
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total
Effect of exchange rate changes on cash
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
Net income (loss)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Net (loss) income
Net income (loss)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Number of Shares, Period Increase (Decrease)
Increase in total number of available shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Number of Shares, Period Increase (Decrease), Total
Long-term Debt, Type
Long-Term Debt, Type [Domain]
Weighted Average Number of Shares Outstanding, Basic
Weighted Average Number of Shares Outstanding, Basic, Total
Weighted average common shares outstanding used in calculating basic net income per share
Basic
Goodwill acquired
Goodwill, Acquired During Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value
Exercisable as of June 30, 2026, Aggregate Intrinsic Value
Mortgage Facility Payables To M And T Bank [Member]
Mortgage facility payables to M and T bank.
Mortgage Facility Payable to M & T Bank [Member]
Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year
2026 (remaining)
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Product Manufacturing [Member]
Segments [Axis]
Segments
Parts and Accessories [Member]
Parts And Accessories [Member]
Parts and accessories.
Subsequent Event
Subsequent Events [Text Block]
Long-Term Debt, Total
Long-term debt
Long-Term Debt
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total
Stock-based compensation
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Credit Facility interest rate description
Debt Instrument, Interest Rate Terms
Variable Rate
Variable Rate [Domain]
Total shareholders' equity attributable to MarineMax, Inc.
Beginning Balance
Ending Balance
Equity, Attributable to Parent
Preferred stock, par value
Preferred Stock, Par or Stated Value Per Share
Fair value, liabilities, level 3 to level 2 transfers
Fair Value Liabilities Level3 To Level2 Transfers Amount
Amount of transfers of liabilities measured on a recurring basis out of Level 3 of the fair value hierarchy into Level 2.
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Increase (Decrease) in Operating Assets [Abstract]
(Increase) decrease in, net of effects of acquisitions -
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Treasury Stock, Common [Member]
Treasury Stock [Member]
Summary of Percentage on Timing of Revenue Recognition by Reportable Segment
Schedule Of Percentage On Timing Of Revenue Recognition Table [Text Block]
Schedule of percentage on timing of revenue recognition.
Entity Address, Address Line Two
Entity Address, Address Line Two
Term Loan Facility
Term Loan Facility [Member]
Term loan facility.
Fair Value Measurements
Fair Value Disclosures [Text Block]
Product Information [Line Items]
Non-controlling Interests [Member]
Noncontrolling Interest [Member]
Debt Instrument, Name
Debt Instrument, Name [Domain]
Mortgage facility payable to Hancock Whitney Bank [Member]
Mortgage Facility Payable To Hancock Whitney Bank [Member]
Mortgage facility payable to hancock whitney bank.
Inventory Current [Table]
Inventory, Current [Table]
Mortgage Facility Payable to Seacoast National Bank [Member]
Mortgage Facility Payables To Seacoast National Bank [Member]
Mortgage facility payables to seacoast national bank.
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]
Subject To Award [Member]
Subject To Award [Member]
Subject to award.
Plan Name
Plan Name [Domain]
Weighted Average Assumptions of Employee Stock Purchase Plan
Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements
Settlements and other adjustments
Interest Expense, Total
Interest expense
Interest Expense, Operating and Nonoperating
Entity
Entity [Domain]
Credit Facility
Credit Facility [Axis]
Credit Facility [Member]
Credit Facility [Member]
Credit facility.
Lessor, Operating Lease, Payment to be Received, Year Two
2028
Shares issued upon vesting of equity awards, net of minimum tax withholding, Shares
Restricted Stock, Shares Issued Net of Shares for Tax Withholdings
Stock Incentive Plan Expiration
Stock incentive plan expiration.
Expiration of Plan 2021
Fair value, assets, level 1 to level 2 transfers
Fair Value Assets Level 1 To Level 2 Transfer Amount
Fair value assets level 1 to level 2 transfer amount.
Product Manufacturing [Member]
Product Manufacturing [Member]
Product manufacturing.
Manufacturer
Manufacturer Number
Manufacturer number.
Mortgage Facility Payable to Flagship Bank [Member]
Mortgage Facility Payables To Flagship Bank [Member]
Mortgage facility payables to flagship bank.
Entity Address, City or Town
Entity Address, City or Town
Operating leases:
Operating Lease, Lease Income [Abstract]
Contingent consideration liabilities
Business Combination, Contingent Consideration, Liability
Business Combination, Contingent Consideration, Liability, Total
Number of reportable segments
Number of Reportable Segments
Security Exchange Name
Security Exchange Name
Credit Facility
Credit Facility [Domain]
Intersegment adjustments [Member]
Intersegment Eliminations [Member]
Proceeds from Insurance Settlement, Operating Activities
Proceeds from insurance settlements
Income (Loss) before taxes
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Income (loss) before income tax provision (benefit)
Concentration Risk Type
Concentration Risk Type [Domain]
Pledging Purpose [Domain]
Accrued Liabilities [Member]
Antidilutive Securities, Name
Antidilutive Securities, Name [Domain]
Inventories
Inventory, Net, Total
Inventory, Net
Inventories
Term Loan [Member]
Term loan.
Interest Paid, Excluding Capitalized Interest, Operating Activity
Interest paid
Measurement Basis
Measurement Basis [Axis]
Statistical Measurement
Statistical Measurement [Domain]
Total current assets
Assets, Current
Stock-based compensation expense, approximately
Share-Based Payment Arrangement, Expense
Document Period End Date
Document Period End Date
Fair Value Hierarchy and NAV
Fair Value Hierarchy and NAV [Domain]
Number Of Reportable Segments Not Disclosed Flag
Number of reportable segments not disclosed flag.
Number of reportable segments not disclosed flag
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number
Exercisable as of June 30, 2026, Options Outstanding
Weather expenses (recoveries)
Weather expenses (recoveries).
Weather (recoveries) expenses
Debt instrument description of variable rate basis
Debt Instrument, Description of Variable Rate Basis
Statement of Financial Position [Abstract]
Real estate property pledged for collateral
Real Estate Pledged as Collateral for Credit Facility
Real estate pledged as collateral for credit facility.
Variable lease income
Operating Lease, Variable Lease Income
Revenue Recognition
Revenue [Policy Text Block]
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Antidilutive Security, Excluded EPS Calculation [Table]
Issuance Of Notes Receivable
Issuance of notes receivable.
Issuance of notes receivable
Fair value, assets, level 2 to level 3 transfers
Fair Value Assets Level2 To Level3 Transfers Amount
Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 3.
Total liabilities
Liabilities
Financial Instruments
Financial Instruments [Domain]
Restricted Stock Awards
Restricted Stock Awards [Text Block]
Restricted stock awards.
Annual offerings description
Share-Based Compensation Arrangement by Share-Based Payment Award, Description
Stock Purchase Plan, requisite continuous service
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period
Operating lease income
Operating Lease, Lease Income, Lease Payments
Lessee, Operating Lease, Liability, to be Paid, Year Two
2028
Options granted, Shares Available for Grant
Options granted, Shares Available for Grant
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant In Period
Share based compensation arrangement by share based payment award number of shares available for grant in period.
Restricted Stock Awards [Member]
Restricted Stock [Member]
Mortgage Facility Payable To M&T Bank [Member]
Mortgage Facility Payable To M&T Bank.
Variable Rate
Variable Rate [Axis]
Weighted average common and common equivalent shares used in calculating diluted net income per share
Diluted
Weighted Average Number of Shares Outstanding, Diluted
Entity File Number
Securities Act File Number
Cover
Cover [Abstract]
Fair value, liabilities, level 1 to level 2 transfers
Fair Value Liabilities Level1 To Level2 Transfer Amount
Fair value liabilities level1 to level2 transfer amount.
New inventory mature date
New Inventory From Original Invoice Date Period
New inventory from original invoice date period.
Summary of Carrying Value and Fair Value of Mortgage Facilities and Term Loan
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Letter of credit sublimit amount
Letter of Credit Sublimit Amount
Letter of credit sublimit amount.
Maintenance repair storage rental and charter services
Maintenance Repair Storage Rental And Charter Services [Member]
Maintenance, Repair, Storage, Rental, and Charter Services [Member]
Shares/ Units, Awards forfeited
Restricted stock awards forfeited, Shares Available for Grant
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Sales [Member]
Revenue Benchmark [Member]
Mortgage Facility [Member]
Mortgages [Member]
Share Based Compensation Arrangement By Share Based Payment Award Shares Available For Grant Options Exercised
Share based compensation arrangement by share based payment award shares available for grant options exercised.
Options exercised, Shares Available for Grant
Shares authorized, Shares Available for Grant
Common stock, shares authorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized
Number of operating segments
Number of Operating Segments
Timing of Transfer of Good or Service
Timing of Transfer of Good or Service [Domain]
Segment Information
Segment Reporting Disclosure [Text Block]
Options cancelled/forfeited/expired, Options Outstanding
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Total
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period
Subsequent Event [Table]
Delayed Draw Term Loan Facility
Delayed Draw Term Loan Facility [Member]
Delayed draw term loan facility.
Interest rate on short-term borrowings
Line of Credit Facility, Interest Rate During Period
Nature of Operation, Product Information, Concentration of Risk [Table]
New Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Summary of Maturities of Lease Liabilities by Fiscal Year
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Contract liabilities
Contract liabilities (customer deposits)
Contract with Customer, Liability, Current
Vesting periods of restricted stock award
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Depreciation
Depreciation, Total
Depreciation
Carrying Value [Member]
Reported Value Measurement [Member]
Proceeds from Issuance of Long-Term Debt
Proceeds from Issuance of Long-Term Debt, Total
Proceeds from long-term debt
Unrecognized compensation cost related to non-vested restricted stock awards
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount
Common Stock, Shares, Outstanding, Ending Balance
Common Stock, Shares, Outstanding, Beginning Balance
Common stock, shares outstanding
Common Stock, Shares, Outstanding
Current operating lease liabilities
Operating Lease, Liability, Current
Depreciation, Depletion and Amortization, Total
Depreciation and amortization
Depreciation, Depletion and Amortization
Document Transition Report
Document Transition Report
Cost of Revenue, Total
Cost of sales
Cost of Revenue
In Transit Inventory and Deposits [Member]
In Transit Inventory And Deposits Member
In transit inventory and deposits.
Leases
Lessee, Operating Leases [Text Block]
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Comprehensive income (loss)
Statement of Cash Flows [Abstract]
Incentive Stock Plans Activity
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Assets:
Assets, Fair Value Disclosure [Abstract]
Cash used in acquisition of businesses, net of cash acquired
Payments to Acquire Businesses, Net of Cash Acquired
Payments to Acquire Businesses, Net of Cash Acquired, Total
Cash used in acquisition of businesses, net of cash acquired
Net Income Per Share
Earnings Per Share [Text Block]
Restricted Stock Award Activity
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
Full-service yacht repair operations
Full Service Yacht Repair Operations Number
Full service yacht repair operations number.
Net income (loss) attributable to MarineMax, Inc.
Aggregate Intrinsic Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Increase (Decrease) in Inventories, Total
Increase (Decrease) in Inventories
Inventories
Principal and interest payments with a balloon payment
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid
Inventory [Line Items]
Inventory [Line Items]
Other intangible assets, net
Other identifiable intangibles
Other Intangible Assets, Net
Accounting Changes and Error Corrections [Abstract]
Debt instrument, covenant compliance
Debt Instrument, Covenant Compliance
Operating lease expense
Operating Lease, Cost
Dividend yield
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Tariff Refunds
Tariff refunds.
Tariff refunds received
Line Of Credit Facility [Line Items]
Line of Credit Facility [Line Items]
Operating cash flows from operating leases
Operating Lease, Payments
ASSETS
Assets [Abstract]
Risk-free interest rate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Prepaid expenses and other assets
Increase (Decrease) in Prepaid Expense and Other Assets
Fair value, assets, level 3 to level 1 transfers
Fair Value Assets Level3 To Level1 Transfers Amount
Amount of transfers of assets measured on a recurring basis out of Level 3 of the fair value hierarchy into Level 1.
Long term debt maturity
Long-term debt maturity
Long Term Debt Maturity
Long term debt maturity.
Document Fiscal Year Focus
Document Fiscal Year Focus
Concentration Risk Benchmark
Concentration Risk Benchmark [Domain]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease), Total
Change in fair value and net present value of contingency
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)
CASH FLOWS FROM INVESTING ACTIVITIES:
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Accounts Payable, Current, Total
Accounts payable
Accounts Payable, Current
Lessor, Operating Lease, Payment to be Received, Year One
2027
Additions from business acquisitions
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases
Proceeds from sale of property and equipment and other assets
Proceeds from Sale of Productive Assets
Proceeds from Sale of Productive Assets, Total
Fair Value Disclosures [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Schedule of goodwill and other assets.
Schedule Of Goodwill And Other Assets [Line Items]
Schedule Of Goodwill And Other Assets [Line Items]
Mortgage Facility Payable to Seacoast National Bank [Member]
Mortgage Facility Payable To Seacoast National Bank [Member]
Mortgage facility payable to seacoast national bank.
Lessee, Operating Lease, Liability, to be Paid, Year One
2027
Florida [Member]
FLORIDA
New and Used Boats, Motors, and Trailers [Member]
New And Used Boats Motors And Trailers [Member]
New and used boats, motors, and trailers.
Credit facility amount
Long-Term Line of Credit, Total
Inventory and working capital needs
Long-Term Line of Credit
Contract with Customer, Asset, after Allowance for Credit Loss, Current, Total
Contract assets recorded in prepaid expenses and other current assets
Contract with Customer, Asset, after Allowance for Credit Loss, Current
Debt Instrument
Debt Instrument [Axis]
Share-Based Payment Arrangement [Abstract]
Assets, Fair Value Disclosure, Total
Interest rate swap contract
Assets, Fair Value Disclosure
Increase (Decrease) in Operating Liabilities [Abstract]
(Decrease) increase in, net of effects of acquisitions -
Revenue percentage from sale of boats
Concentration Risk, Percentage
Sales Revenue Goods And Services Net Percentage
Debt Instrument, Fair Value Disclosure, Total
Unamortized debt issuance costs
Debt Instrument, Fair Value Disclosure
Segment Reporting, No Asset Information [true false]
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Net cash used in investing activities
Cash paid or received for:
Supplemental Cash Flow Information Cash Paid Or Received [Abstract]
Supplemental cash flow information cash paid or received.
Title of 12(b) Security
Title of 12(b) Security
Schedule Of Segment Reporting Information By Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Weighted Average Grant Date Fair Value, Awards forfeited
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Income Taxes
Income Tax Disclosure [Text Block]
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year
2026 (remaining)
Total lease payments
Lessor, Operating Lease, Payment to be Received
Other long-term liabilities
Other Liabilities, Noncurrent
Legal Entity
Legal Entity [Axis]
Weighted Average Exercise Price, Beginning Balance
Weighted Average Exercise Price, Ending Balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Parts, Accessories, and Other [Member]
Parts Accessories And Other [Member]
Parts accessories and other.
Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised, Total
Net proceeds from issuance of common stock under incentive compensation and employee purchase plans
Net proceeds from issuance of common stock under incentive compensation and employee purchase plans
Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised
Operating Leases
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Income Tax Disclosure [Abstract]
Lessor, Operating Lease, Payment to be Received, Year Four
2030
Additional Paid-in Capital [Member]
Additional Paid-in Capital [Member]
Accrued expenses and other liabilities
Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities
Income Statement Location
Statement of Income Location, Balance [Axis]
Trading Symbol
Trading Symbol
Subsequent Event Type [Axis]
Line of Credit Facility, Description
Line of Credit Facility, Description
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Unused line fee on the unused portion of the amended Credit Facility
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Expected life
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term
Total lease payments
Lessee, Operating Lease, Liability, to be Paid
Less: interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Percentage not exceeding to periodic payment of purchase price
Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Subscription Rate
Equity Components
Equity Components [Axis]
Equity Component
Equity Component [Domain]
Azimut Benetti Groups and Yachts
Azimut Benetti Groups And Yachts [Member]
Azimut Benetti Groups and Yachts.
Goodwill and Intangible Assets Disclosure [Abstract]
Summary of Estimated Fair Value of Assets Acquired and Liabilities Assumed at Acquisition Date
Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block]
Leverage ratio
Covenants Credit Facility Leverage Ratio
Covenants credit facility leverage ratio.
Income tax refunds received
Proceeds from Income Tax Refunds
Shares issued pursuant to employee stock purchase plan, Shares
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Statement of Comprehensive Income [Abstract]
Marina/storage locations.
Marina/storage locations [Member]
Marina/Storage Locations [Member]
Maximum [Member]
Maximum [Member]
Liabilities, Fair Value Disclosure, Total
Contingent consideration liabilities
Liabilities, Fair Value Disclosure
New Boat Sales [Member]
New Boat Sales [Member]
New boat sales.
Statistical Measurement
Statistical Measurement [Axis]
Finance and Insurance Products [Member]
Finance And Insurance Products [Member]
Finance and insurance products.
Options exercised, Weighted Average Exercise Price
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Parent, Total
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Parent
Reclassified out of accumulated other comprehensive income
Locations without marina/storage.
Locations Without Marina/Storage [Member]
Locations Without Marina/Storage [Member]
Common Stock, Value, Issued
Common stock, $.001 par value, 40,000,000 shares authorized, 30,761,801 and 30,543,794 shares issued and 22,086,746 and 21,868,739 shares outstanding as of June 30, 2026 and September 30, 2025, respectively
Number of states wherein retail locations are established
Number of States in which Entity Operates
Fixed interest rate
Derivative, Fixed Interest Rate
Storage and Charter Rentals [Member]
Storage and Charter Rentals [Member]
Storage and charter rentals.
Consolidation
Consolidation, Policy [Policy Text Block]
Ending Balance
Beginning Balance
Total shareholders' equity
Equity, Including Portion Attributable to Noncontrolling Interest
Basic and Diluted Net Income Per Share
Schedule of Weighted Average Number of Shares [Table Text Block]
Volatility
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Preferred stock, shares authorized
Preferred Stock, Shares Authorized
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest, Total
Comprehensive income (loss) attributable to non-controlling interests
Inventory
Inventory [Domain]
Schedule of Long-term Debt
Schedule of Debt [Table Text Block]
Right-of-use assets obtained in exchange for lease obligations:
Right Of Use Assets Obtained In Exchange For Lease Obligations [Abstract]
Right-of-use assets obtained in exchange for lease obligations.
Payments on tax withholdings for equity awards
Payment, Tax Withholding, Share-Based Payment Arrangement
Goodwill And Other Assets Disclosure [Abstract]
Goodwill and other assets disclosure.
Schedule of Supplemental Cash Flow Information Related to Leases
Schedule Of Supplemental Cash Flow Disclosures Related To Leases Table [Text Block]
Schedule of supplemental cash flow disclosures related to leases.
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Revenue Recognition
Revenue from Contract with Customer [Text Block]
Entity Registrant Name
Entity Registrant Name
Short-Term Borrowings and Long-Term Debt
Debt Disclosure [Text Block]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Subsequent Events [Abstract]
SOFR [Member]
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Income Tax Expense (Benefit), Total
Income Tax Expense (Benefit)
Income tax (benefit) provision
Income tax provision (benefit)
Asset, Held-for-Sale, Not Part of Disposal Group, Current
Asset, Held-for-Sale, Not Part of Disposal Group, Current, Total
Assets held for sale
Additional shares of stock issued, Shares Available for Grant
Share Based Compensation Arrangement By Share Based Payment Award Additional Shares Of Stock Issued
Share based compensation arrangement by share based payment award additional shares of stock issued.
Contingent Consideration by Type
Business Combination, Contingent Consideration, Type [Axis]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Tariff Refunds Related To Sold Boats
Tariff refunds related to sold boats.
Tariff refunds related to sold boats
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated other comprehensive income
Consolidation Items
Consolidation Items [Axis]
Payments to Acquire Property, Plant, and Equipment, Total
Purchases of property and equipment
Payments to Acquire Property, Plant, and Equipment
Restricted stock awards granted, Shares Available for Grant
Shares/ Units, Awards granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Loan payable to TRANSPORT S.a.s di Taula Vittorio and C. [Member]
Loan Payable to TRANSPORT S.a.s di Taula Vittorio & C [Member]
Loan payable to TRANSPORT S.a.s di Taula Vittorio and C. [Member]
Loan payable to TRANSPORT S.a.s di Taula Vittorio & C.
Total assets
Assets
Inventories
Inventory, Policy [Policy Text Block]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Exercisable as of June 30, 2026, Weighted Average Remaining Contractual Life
Income Statement [Abstract]
Mortgage Facility Payable to Flagship Bank [Member]
Mortgage Facility Payable To Flagship Bank [Member]
Mortgage facility payable to flagship bank.
Selling, General, and Administrative Expenses [Member]
Selling, General and Administrative Expenses [Member]
Shares/ Units, Awards vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Earnings Per Share, Diluted, Total
Earnings Per Share, Diluted
Diluted net income (loss) per common share
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Summary of Revenue, Income from Operations and Significant Expenses of Reportable Segments
Operating Segments [Member]
Operating Segments [Member]
Recreational boat dealers
Recreational Boat Dealers In Number
Recreational boat dealers in number.
City Area Code
City Area Code
Other Comprehensive Income (Loss), Net of Tax
Other comprehensive (loss) income
Total other comprehensive (loss) income, net of tax
Fair value, liabilities, level 3 to level 1 transfers
Fair Value Liabilities Level3 To Level1 Transfers Amount
Amount of transfers of liabilities measured on a recurring basis out of Level 3 of the fair value hierarchy into Level 1.
Amount of borrowing availability
Line of Credit Facility, Maximum Borrowing Capacity
Interest Rate Floor [Member]
Interest Rate Floor [Member]
Payments Of Debt Issuance Debt Extinguishment And Other Financing Costs
Payments of debt issuance debt extinguishment and other financing costs.
Payments of debt issuance, debt extinguishment, and other financing costs
Shares issued pursuant to employee stock purchase plan
Stock Issued During Period, Value, Employee Stock Purchase Plan
Weighted average remaining lease term (years)
Operating Lease, Weighted Average Remaining Lease Term
Fair value, liabilities, level 1 to level 3 transfers
Fair Value Liabilities Level1 To Level3 Transfers Amount
Amount of transfers of liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 3.
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Letter of Credit [Member]
Letter of Credit [Member]
Property, Plant and Equipment, Net, Total
Property, Plant and Equipment, Net
Property and equipment, net of accumulated depreciation of $225,217 and $196,574
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total
CASH AND CASH EQUIVALENTS, beginning of period
CASH AND CASH EQUIVALENTS, end of period
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
Income from operations
Operating Income (Loss)
Income (loss) from operations
Foreign currency translation
Goodwill, Foreign Currency Translation, Gain (Loss)
Retained Earnings [Member]
Retained Earnings [Member]
Contingent Consideration Type
Business Combination, Contingent Consideration, Type [Domain]
Proceeds From Trade Name And Warranties Assumed In Asset Exchange Agreement
Proceeds from trade name and warranties assumed in asset exchange agreement.
Proceeds from trade name and warranties assumed in asset exchange agreement
Share-Based Payment Arrangement, Noncash Expense, Total
Stock-based compensation expense
Share-Based Payment Arrangement, Noncash Expense
Weighted average discount rate
Operating Lease, Weighted Average Discount Rate, Percent
Noncurrent operating lease liabilities
Operating Lease, Liability, Noncurrent
Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Net cash used in financing activities
Lessor, Operating Lease, Payment to be Received, Year Three
2029
Less: unamortized portion of debt issuance costs
Unamortized Debt Issuance Expense
Deferred tax liabilities, net
Deferred Income Tax Liabilities, Net
Borrowing Base Amount and Aging Inventory [Member]
Secured Debt [Member]
Schedule Of Goodwill [Table]
Goodwill [Table]
1998 Employee Stock Purchase Plan [Member]
Nineteen Ninety Eight Employee Stock Purchase Plan [Member]
Nineteen ninety eight employee stock purchase plan.
Term Loan Payable to M&T Bank [Member]
Term loan payable to M and T Bank [Member]
Term loan payable to M&T Bank.
Share based compensation arrangement by share based payment award number of shares available for exercised in period.
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Exercised In Period
Entity Interactive Data Current
Entity Interactive Data Current
Contract liabilities (customer deposits)
Increase (Decrease) in Contract with Customer, Liability
Summary of Operating Lease Income and Other Income
Operating Lease, Lease Income [Table Text Block]
Income Statement Location
Statement of Income Location, Balance [Domain]
Fair Value Measurement
Fair Value Measurement [Domain]
Fair value, assets, level 3 to level 2 transfers
Fair Value Assets Level3 To Level2 Transfers Amount
Amount of transfers of assets measured on a recurring basis out of Level 3 of the fair value hierarchy into Level 2.
CASH FLOWS FROM OPERATING ACTIVITIES:
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Goods and Services Transferred Over Time [Member]
Transferred over Time [Member]
New Accounting Pronouncements
Accounting Standards Update and Change in Accounting Principle [Text Block]
Boat brokerage operations
Boat Brokerage Operations Number
Boat brokerage operations number.
Employee Stock Purchase Plan
Employee Stock Purchase Plan [Text Block]
Employee stock purchase plan.
Stock Purchase Plan [Member]
Stock Purchase Plan [Member]
Stock purchase plan.
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
Summary of Revenue Disaggregated Into Categories Depict the Nature, Amount, Timing, and Uncertainty of Revenue and Cash Flows Affected by Economic Factor
Deferred income tax (benefit), net of effects of acquisitions
Deferred Income Tax Provision Benefit Net Of Effects Of Acquisitions
Deferred income tax (benefit) provision, net of effects of acquisitions.
Entity Tax Identification Number
Entity Tax Identification Number
Long-term Debt, Type
Long-Term Debt, Type [Axis]
Depreciation, amortization, and capital expenditures table text block.
Depreciation Amortization And Capital Expenditures Table [Text Block]
Summary of Depreciation and Amortization of Reportable Segments
Summary of Ranges for Significant Quantitative Unobservable inputs Utilized in Fair Value Measurements
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block]
Line of credit facility, term
Debt Instrument, Term
Basis of Presentation
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Local Phone Number
Local Phone Number
New Credit Facility [Member]
New credit facility.
Number of models producing premium yachts
Number Of Models Producing Premium Yachts
Number of models producing premium yachts.
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted average number of common shares used in computing net income (loss) per common share:
Revolving mortgage facility with FineMark National Bank & Trust [Member]
Revolving Mortgage Facility With Fine Mark National Bank Trust [Member]
Revolving mortgage facility with finemark national bank & trust.
Tariff Refunds Related To Sold Boats Current Year
Tariff refunds related to sold boats current year.
Tariff refunds related sales of boats in current fiscal year
Credit facility interest rate description
Line of Credit Facility, Interest Rate Description
Accounting Policies [Abstract]
Disaggregation Of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Mortgage Facility Payable to Hancock Whitney Bank [Member]
Mortgage Facility Payables To Hancock Whitney Bank [Member]
Mortgage facility payables to hancock whitney bank.
Revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Delayed Draw Mortgage Loan Facility [Member]
Delayed draw mortgage loan facility.
Current ratio
Current Ratio
Current ratio.
(Gain) loss on sale of property and equipment and assets held for sale
(Gain) loss on sale of property and equipment and assets held for sale.
Gain on sale of property and equipment and assets held for sale
Lessee, Operating Lease, Liability, to be Paid, Year Four
2030
Common stock available for issuance
Number of Common stock shares available
Shares Available for Grant, Beginning Balance
Shares Available for Grant, Ending Balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Weighted average period unrecognized compensation costs related to non-vested restricted awards are expected to be recognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Fair value, liabilities, level 2 to level 1 transfers
Fair Value Liabilities Level 2 To Level1 Transfer Amount
Fair value liabilities level 2 to level1 transfer amount.
Goods and Services Transferred at a Point in Time [Member]
Transferred at Point in Time [Member]
Entity Emerging Growth Company
Entity Emerging Growth Company
Incentive Stock Plan 2007 or 2011 [Member]
Incentive Stock Plan Two Thousand Seven Or Two Thousand Eleven [Member]
Incentive stock plan two thousand seven or two thousand eleven