Document and Entity Information - shares	9 Months Ended
	Mar. 31, 2017	May 02, 2017
Document Information [Line Items]
Entity Registrant Name	MALIBU BOATS, INC.
Entity Central Index Key	0001590976
Document Type	10-Q
Document Period End Date	Mar. 31, 2017
Amendment Flag	false
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--06-30
Entity Filer Category	Accelerated Filer
Class A Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		17,930,617
Class B Common Stock [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		19