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v2.4.0.8

Related Party Transactions (Details) (USD $) | 6 Months Ended
--- | ---
Dec. 31, 2013
Related Party Transactions [Abstract] |
Payment for registration fee | $ 14,812

X
- Definition Payment for Registration Fee + References No definition available. + Details
Name: | mbuu_PaymentforRegistrationFee
Namespace Prefix: | mbuu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration