Line of Credit Facility, Future Borrowing, Increase Limit

No definition available.

Name:	mbuu_LineofCreditFacilityFutureBorrowingIncreaseLimit
Namespace Prefix:	mbuu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Payable Pursuant To Tax Receivable Agreement

+ References

No definition available.

+ Details

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Namespace Prefix:	mbuu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

stock repurchase per share

+ References

No definition available.

+ Details

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Namespace Prefix:	mbuu_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Tax Receivable Agreement, Percentage of Realized Cash Saving in Tax To Be Pass Through

+ References

No definition available.

+ Details

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Namespace Prefix:	mbuu_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Number of common units of ownership outstanding of a limited liability company (LLC).

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Amount after allocation of valuation allowances of noncurrent deferred tax asset attributable to deductible temporary differences and carryforwards. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31917-109318

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31931-109318

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31928-109318

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31958-109318

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Units that were previously issued and have been repurchased during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-Subparagraph (SAB TOPIC 4.F)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Costs incurred in connection with an unsolicited tender offer (one where the Entity being sought has not requested the offer). These would include costs relating to evaluation and dissemination of information regarding an unsolicited tender offer. A tender offer is a broad solicitation by an Entity or a third party to purchase a substantial percentage of another entity's shares or units for a limited period of time. The offer is at a fixed price, usually at a premium over the current market price, and is contingent on shareholders' tendering a fixed number of their shares or units.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=mbuu_MalibuBoatLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=us-gaap_ParentCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LongTermDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodThreeMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
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Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
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Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=mbuu_LLCUnitsMember
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- Details

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- Details

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- Details

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Subsequent Events Details (Details) (USD $)	0 Months Ended			3 Months Ended
Subsequent Events Details (Details) (USD $)	Apr. 15, 2015	Apr. 09, 2015	Apr. 02, 2015	Mar. 31, 2015	Jul. 15, 2014	Jun. 30, 2014	Sep. 30, 2014	Mar. 13, 2015	Oct. 01, 2014
Subsequent Event [Line Items]
Long-term Debt				10,000,000us-gaap_LongTermDebt		$ 0us-gaap_LongTermDebt
Common Unit, Outstanding				22,611,153us-gaap_CommonUnitOutstanding		22,437,938us-gaap_CommonUnitOutstanding
Deferred tax asset				55,053,000us-gaap_DeferredTaxAssetsNetNoncurrent		21,452,000us-gaap_DeferredTaxAssetsNetNoncurrent
Payable pursuant to tax receivable agreement				47,664,000		13,636,000
Tax receivable agreement, percentage of realized cash saving in tax to pass through				85.00%	85.00%	85.00%
Subsequent Event [Member]
Subsequent Event [Line Items]
Treasury Stock, Value	70,000,000
Deferred tax asset	26,798,000
Payable pursuant to tax receivable agreement	24,212,000
Tax receivable agreement, percentage of realized cash saving in tax to pass through	85.00%
Debt Instrument, Fee Amount			1,100,000
Term Loan [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Long-term Debt			80,000,000
Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity							10,000,000
Revolving Credit Facility [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Amount outstanding			10,000,000
Common Stock [Member]
Subsequent Event [Line Items]
Stock Repurchase Program, Authorized Amount								70,000,000,000
Common Stock [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Stock Repurchased During Period, Shares	3,333,000
stock repurchase per share	$ 21.00
Payments for Repurchase of Private Placement	728,000
Common stock, shares issued		2,603,000
LLC Units [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Conversion of Stock, Type of Stock Converted		2,603,000
Parent Company [Member] \| LLC Units [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Common Unit, Outstanding	14,879,000
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions	77.20%
Malibu Boat LLC [Member]
Subsequent Event [Line Items]
Deferred tax asset				56,802,000	38,499,000
Payable pursuant to tax receivable agreement				47,664,000	34,028,000
Malibu Boat LLC [Member] \| LLC Units [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Common Unit, Outstanding	4,399,000
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	22.80%
Line of Credit [Member] \| Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity							30,000,000		30,000,000
Line of Credit Facility, Future Borrowing, Increase Limit									10,000,000
Line of Credit [Member] \| Revolving Credit Facility [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity			25,000,000
Line of Credit Facility, Future Borrowing, Increase Limit			50,000,000
Minimum [Member]
Subsequent Event [Line Items]
stock repurchase per share								$ 21.00
Minimum [Member] \| Revolving Credit Facility [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.25%
Maximum [Member]
Subsequent Event [Line Items]
stock repurchase per share								$ 23.50
Maximum [Member] \| Revolving Credit Facility [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.40%
Base Rate [Member] \| Revolving Credit Facility [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate			0.50%
Base Rate [Member] \| Minimum [Member] \| Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate				1.50%
Base Rate [Member] \| Minimum [Member] \| Revolving Credit Facility [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate			1.00%
Base Rate [Member] \| Maximum [Member] \| Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate				2.25%
Base Rate [Member] \| Maximum [Member] \| Revolving Credit Facility [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate			1.75%
London Interbank Offered Rate (LIBOR) [Member] \| Revolving Credit Facility [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate			1.00%
London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member] \| Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate				2.50%
London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member] \| Revolving Credit Facility [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate			2.00%
London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member] \| Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate				3.25%
London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member] \| Revolving Credit Facility [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate			2.75%
Debt Instrument, Redemption, Period One [Member] \| Term Loan [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Periodic Payment			1,500,000
Debt Instrument, Redemption, Period Two [Member] \| Term Loan [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Periodic Payment			2,000,000
Debt Instrument, Redemption, Period Three [Member] \| Term Loan [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Periodic Payment			2,500,000