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).

+ References + Details

- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Supplemental Financial Information - Narrative (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
Highview Enterprises Limited
Related Party Transaction [Line Items]
Equity method investments	$ 0.6		$ 0.6		$ 0.6
Tinuum Group, LLC
Related Party Transaction [Line Items]
Ownership interest, percent (as percent)	42.50%		42.50%		42.50%
Tinuum Group, LLC \| Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold
Related Party Transaction [Line Items]
Income (loss) from equity method investments	$ 0.0	$ (0.2)	$ (0.2)	$ (0.2)
Tinuum Group, LLC \| Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense
Related Party Transaction [Line Items]
Income (loss) from equity method investments	$ 0.0	$ 0.0	$ 0.1	$ 0.2