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Product Warranties - Narrative (Details) - hour | 12 Months Ended
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Jun. 30, 2021 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Malibu, Axis and Cobalt Brand Boats |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |
Standard product warranty, period (up to) (in years) | 5 years |  |  |  |
Malibu and Axis Brand Boats |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |
Standard product warranty, period (up to) (in years) | 5 years |  |  |  |
Gelcoat product warranty, period (in years) | 1 year |  |  |  |
Number of hours provided on engines manufactured | 500 |  |  |  |
Malibu Brand Boats |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |
Standard product warranty, period (up to) (in years) |  |  |  | 5 years | 3 years
Axis Boats |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |
Standard product warranty, period (up to) (in years) |  |  |  | 5 years | 2 years
Cobalt |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |
Structural warranty, period (up to) (in years) | 10 years |  |  |  |
Warranty on all components manufactured or purchased (in years) | 5 years | 5 years | 3 years |  |
Gelcoat product warranty, period (in years) | 3 years |  |  |  |
Saltwater Fishing |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |
Standard product warranty, period (up to) (in years) | 5 years |  |  |  |
Warranty on all components manufactured or purchased (in years) | 2 years |  |  |  |
Maverick, Pathfinder, and Hewes Brand Boats |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |
Standard product warranty, period (up to) (in years) | 5 years |  |  |  |
Warranty on all components manufactured or purchased (in years) | 1 year |  |  |  |
Cobia |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |
Standard product warranty, period (up to) (in years) | 10 years |  |  |  |
Warranty on all components manufactured or purchased (in years) | 3 years |  |  |  |

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