Non-controlling interest (Details) - USD ($) $ in Thousands		3 Months Ended																12 Months Ended
	Apr. 15, 2015	Jun. 30, 2015		Mar. 31, 2015	[1]	Dec. 31, 2014	[1]	Sep. 30, 2014	[1]	Jun. 30, 2014		Mar. 31, 2014	[2]	Dec. 31, 2013	[2]	Sep. 30, 2013	[2]	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013	Feb. 05, 2014
Noncontrolling Interest [Line Items]
Balance of non-controlling interest as of June 30, 2014		$ 15,585								$ 8,801								$ 15,585	$ 8,801
Common unit, outstanding		19,277,820.00								22,437,938.000								19,277,820.00	22,437,938.000
Equity Method Investment, Ownership Percentage		100.00%								100.00%								100.00%	100.00%
Net income attributable to non-controlling interest		$ 1,923	[1]	$ 3,278		$ 2,312		$ 1,009		$ (6,294)	[2]	$ (617)		$ 5,220		$ 5,179		$ 8,522	$ 3,488	$ 17,984
Tax distributions payable to non-controlling LLC Unit holders																		147	2,008	0
Noncontrolling Interest [Member]
Noncontrolling Interest [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Paid and Payable																		(1,738)
Tax distributions payable to non-controlling LLC Unit holders																		147	2,008
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Paid																		$ 3,630	$ 11,457	$ 12,347
Malibu Boat LLC [Member] | Noncontrolling Interest [Member]
Noncontrolling Interest [Line Items]
Common unit, outstanding		1,419,094								11,373,737								1,419,094	11,373,737
Equity Method Investment, Ownership Percentage		7.40%								50.70%								7.40%	50.70%
Parent Company [Member] | Parent [Member]
Noncontrolling Interest [Line Items]
Common unit, outstanding		17,858,726								11,064,201								17,858,726	11,064,201
Equity Method Investment, Ownership Percentage		92.60%								49.30%								92.60%	49.30%
Common Stock [Member]
Noncontrolling Interest [Line Items]
Stock Repurchased During Period, Shares	3,333,333
LLC Units [Member]
Noncontrolling Interest [Line Items]
Common Unit, New Issues																		173,215
Common Units, Canceled	3,333,333
LLC Units [Member] | Malibu Boat LLC [Member]
Noncontrolling Interest [Line Items]
Common unit, outstanding																					17,071,424

[1] 1 The quarterly information presented for the quarters ended September 30 and December 31, 2013 reflect the financial statement results attributable to the LLC. The quarterly information presented for the quarters beginning March 31, 2014 and after reflect the financial statement results of the Company.

[2] .