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Acquisitions - Fair Value of Identifiable Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Mar. 31, 2021 | Jun. 30, 2020
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Business Acquisition [Line Items] |  |  |
Total intangible assets |  | $ 237,493 | $ 139,892
Maverick Boat Group, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Definite-lived intangibles | $ 47,900 |  |
Acquired finite-lived intangible assets, weighted average useful life (in years) | 20 years |  |
Total intangible assets | $ 102,600 |  |
Maverick Boat Group, Inc. | Trade name |  |  |
Business Acquisition [Line Items] |  |  |
Indefinite-lived intangible assets | 54,700 |  |
Maverick Boat Group, Inc. | Dealer relationships |  |  |
Business Acquisition [Line Items] |  |  |
Definite-lived intangibles | $ 47,900 |  |
Acquired finite-lived intangible assets, weighted average useful life (in years) | 20 years |  |

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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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