Equity Method Investments - Schedule of Equity Method Investments (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 530.7		$ 530.7		$ 536.9
Earnings (loss) from equity method investments	2.3	$ 0.2	(1.8)	$ 11.3
Greystone JV
Schedule of Equity Method Investments [Line Items]
Equity method investments	381.6		381.6		395.5
Earnings (loss) from equity method investments	0.0	(2.2)	(4.9)	4.1
Onewo JV
Schedule of Equity Method Investments [Line Items]
Equity method investments	146.7		146.7		139.2
Earnings (loss) from equity method investments	2.3	2.1	2.9	6.1
Other investments
Schedule of Equity Method Investments [Line Items]
Equity method investments	2.4		2.4		$ 2.2
Earnings (loss) from equity method investments	$ 0.0	$ 0.3	$ 0.2	$ 1.1

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 205
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
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