Financing - Narrative (Details)						12 Months Ended
	Jul. 17, 2022 USD ($)	Mar. 31, 2022 USD ($)	Aug. 28, 2021 USD ($)	Dec. 30, 2020 USD ($)	Jul. 01, 2015 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 29, 2020 USD ($)	Jun. 30, 2017 USD ($)
Line of Credit Facility [Line Items]
Current maturities of long-term debt						$ 1,563,000		$ 4,250,000
Share repurchase, carry-forward, term (in years)						1 year
Debt issuance costs, net						$ 508,000		1,100,000
Derivative, term of contract					5 years
Fixed quarterly interest rate					1.52%
Derivative notional amount					$ 39,250,000
Outstanding balance, percent (equal to)					50.00%
Derivative, loss on derivative							$ 68,000
Pending Litigation
Line of Credit Facility [Line Items]
Loss contingency, post-judgement interest rate			0.0625
Pending Litigation | Subsequent Event
Line of Credit Facility [Line Items]
Loss contingency, post-judgement interest rate	0.0625
Batchelder et al. v. Malibu Boats, LLC | Pending Litigation
Line of Credit Facility [Line Items]
Loss contingency, estimate of possible loss			$ 140,000,000
Damages sought, value			$ 56,000,000
Product liability insurance, maximum coverage						26,000,000
Batchelder et al. v. Malibu Boats, LLC | Pending Litigation | Subsequent Event
Line of Credit Facility [Line Items]
Damages sought, value	$ 56,000,000
Minimum | Batchelder et al. v. Malibu Boats, LLC | Pending Litigation | Subsequent Event
Line of Credit Facility [Line Items]
Loss contingency, estimate of possible loss	0
Maximum | Batchelder et al. v. Malibu Boats, LLC | Pending Litigation | Subsequent Event
Line of Credit Facility [Line Items]
Loss contingency, estimate of possible loss	$ 140,000,000
Revolving Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity				$ 170,000,000						$ 120,000,000
Increase in maximum borrowing capacity				$ 50,000,000
Credit Agreement
Line of Credit Facility [Line Items]
Letters of credit outstanding						1,379,000
Maximum amount, purchase of stock or stock options (up to)						3,000
Maximum amount, share repurchase (up to)						35,000
Maximum amount, dividend and distributions (up to)						10,000
Debt issuance costs, gross											$ 2,074,000
Debt issuance costs, net								671,000
Credit Agreement | Revolving Credit
Line of Credit Facility [Line Items]
Remaining borrowing capacity						$ 71,621,000
Interest rate						3.04%
Credit Agreement | Revolving Credit | Federal Funds Effective Swap Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate				0.50%
Credit Agreement | Revolving Credit | Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate				1.00%
Credit Agreement | Revolving Credit | Minimum
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage				0.20%
Credit Agreement | Revolving Credit | Minimum | Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate				0.25%
Credit Agreement | Revolving Credit | Minimum | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate				1.25%
Credit Agreement | Revolving Credit | Maximum
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage				0.40%
Credit Agreement | Revolving Credit | Maximum | Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate				1.25%
Credit Agreement | Revolving Credit | Maximum | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate				2.25%
Credit Agreement | Revolving credit loan | Revolving Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity						$ 170,000,000
Gross debt						97,000,000		45,000,000
Credit Agreement | Term loan
Line of Credit Facility [Line Items]
Gross debt						23,125,000		99,375,000
Periodic payment		$ 3,000,000
Incremental Term Loan | Secured Debt
Line of Credit Facility [Line Items]
Gross debt				$ 25,000,000		23,125,000			$ 25,000,000
Current maturities of long-term debt									$ 1,563,000
Incremental Term Loan | Secured Debt | Interest Rate through December 31, 2022
Line of Credit Facility [Line Items]
Interest rate				5.00%					5.00%
Incremental Term Loan | Secured Debt | Interest Rate from January 1, 2023 through June 30, 2024
Line of Credit Facility [Line Items]
Interest rate				7.50%					7.50%
Third Amendment
Line of Credit Facility [Line Items]
Debt issuance costs, gross								$ 638,000
Term Loans | Secured Debt
Line of Credit Facility [Line Items]
Gross debt				$ 75,000,000		$ 72,000