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Goodwill and Intangible Assets - Net Carrying Amount of Other Intangible Assets (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022
--- | --- | --- | ---
Schedule of Other Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets | $ 12.4 | $ 12.4 | $ 12.4
Total | 74.9 | 86.3 | 91.8
Accumulated amortization | 170.0 | 158.6 | 153.1
Licensing Agreements |  |  |
Schedule of Other Intangible Assets [Line Items] |  |  |
Accumulated amortization | 0.6 | 0.6 | 0.6
Finite-Lived Intangible Assets |  |  |
Schedule of Other Intangible Assets [Line Items] |  |  |
Intangible assets subject to amortization | 62.5 | 73.9 | 79.4
Accumulated amortization | $ 169.4 | $ 158.0 | $ 152.5

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