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Acquisitions - Intangible Assets Acquired (Details) - USD ($) $ in Thousands | Oct. 15, 2018 | Jul. 06, 2017 | Dec. 31, 2018 | Jun. 30, 2018
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Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Total intangible assets |  |  | $ 149,206 | $ 94,221
Pursuit |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Definite-lived intangibles | $ 25,400 |  |  |
Indefinite-lived intangible | 32,500 |  |  |
Total intangible assets | 57,900 |  |  |
Pursuit | Dealer relationships |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Definite-lived intangibles | $ 25,400 |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 20 years |  |  |
Cobalt Boats, LLC |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Definite-lived intangibles |  | $ 58,900 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 19 years 9 months 18 days |  |
Indefinite-lived intangible |  | $ 31,000 |  |
Total intangible assets |  | 89,900 |  |
Cobalt Boats, LLC | Dealer relationships |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Definite-lived intangibles |  | $ 56,300 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 20 years |  |
Useful Life (in years) |  | 20 years |  |
Cobalt Boats, LLC | Patent |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Definite-lived intangibles |  | $ 2,600 |  |
Useful Life (in years) |  | 15 years |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 + Details
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