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Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Gross carrying value	$ 57.7	$ 57.7
Accumulated impairment loss	(38.9)	(38.9)
Net carrying value	$ 18.8	$ 18.8

X

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Amount, before accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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