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Goodwill and Other Intangible Assets - Summary of Goodwill and Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Goodwill [Line Items] |  |
Goodwill, fair value | $ 176.5 | $ 142.3
Goodwill | 176.5 | 142.3
Other intangible assets, fair value | 404.6 | 347.5
Other intangible assets, accumulated amortization | 12.2 | 7.0
Ark |  |
Goodwill [Line Items] |  |
Goodwill, fair value | 116.8 | 116.8
Goodwill | 116.8 | 116.8
Other intangible assets, fair value | 175.7 | 175.7
Other intangible assets, accumulated amortization | 0.0 | 0.0
Other intangible assets, net | 175.7 | 175.7
Kudu |  |
Goodwill [Line Items] |  |
Goodwill, fair value | 7.6 | 7.6
Goodwill | 7.6 | 7.6
Other Operations |  |
Goodwill [Line Items] |  |
Goodwill, fair value | 52.1 | 17.9
Goodwill | 52.1 | 17.9
Other intangible assets, fair value | 50.2 | 27.3
Other intangible assets, accumulated amortization | 11.0 | 6.1
Other intangible assets, net | $ 39.2 | 21.2
Trade names | Kudu |  |
Goodwill [Line Items] |  |
Acquired other intangible assets, weighted average useful life (in years) | 7 years |
Other intangible assets, fair value | $ 2.2 | 2.2
Other intangible assets, accumulated amortization | 1.2 | 0.9
Other intangible assets, net | $ 1.0 | 1.3
Trade names | Other Operations |  |
Goodwill [Line Items] |  |
Acquired other intangible assets, weighted average useful life (in years) | 15 years 10 months 24 days |
Other intangible assets, fair value | $ 17.9 | 8.2
Other intangible assets, accumulated amortization | 3.0 | 1.5
Other intangible assets, net | $ 14.9 | 6.7
Customer relationships | Other Operations |  |
Goodwill [Line Items] |  |
Acquired other intangible assets, weighted average useful life (in years) | 12 years 4 months 24 days |
Other intangible assets, fair value | $ 29.5 | 18.8
Other intangible assets, accumulated amortization | 7.5 | 4.5
Other intangible assets, net | $ 22.0 | 14.3
Other Operations | Other Operations |  |
Goodwill [Line Items] |  |
Acquired other intangible assets, weighted average useful life (in years) | 12 years 1 month 6 days |
Other intangible assets, fair value | $ 2.8 | 0.3
Other intangible assets, accumulated amortization | 0.5 | 0.1
Other intangible assets, net | 2.3 | 0.2
Total other intangible assets |  |
Goodwill [Line Items] |  |
Other intangible assets, fair value | 228.1 | 205.2
Other intangible assets, accumulated amortization | 12.2 | 7.0
Other intangible assets, net | 215.9 | 198.2
Total Equity |  |
Goodwill [Line Items] |  |
Goodwill and other intangible assets | 392.4 | 340.5
Non-controlling Interests |  |
Goodwill [Line Items] |  |
Goodwill and other intangible assets | (102.7) | (91.8)
Total |  |
Goodwill [Line Items] |  |
Goodwill and other intangible assets | $ 289.7 | $ 248.7

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