Percentage of vesting of award under share-based payment arrangement at target performance.

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Percentage of vesting of award under share-based payment arrangement at threshold performance.

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Represents the number of equal annual installments over which the awards vest, from date of grant.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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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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Percentage of vesting of award under share-based payment arrangement.

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Stock and Stock-Based Compensation Plan Summary (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) installment $ / shares shares	Jun. 30, 2025 USD ($)
Stock and Stock-Based Compensation Plans
Stock-based compensation expense (in dollars)	$ 8.5	$ 4.1	$ 17.9	$ 5.8
PRSUs
Stock and Stock-Based Compensation Plans
Stock-based compensation expense (in dollars)	5.5	1.6	$ 10.7	2.1
PRSUs and/or RSUs grants \| shares			0.3
PRSU Vesting Multiplier if performance is at threshold			50.00%
PRSU Vesting Multiplier if performance is at target			100.00%
PRSUs \| Minimum
Stock and Stock-Based Compensation Plans
PRSU Vesting Multiplier by Performance Level			0.00%
PRSUs \| Maximum
Stock and Stock-Based Compensation Plans
PRSU Vesting Multiplier by Performance Level			200.00%
RSUs
Stock and Stock-Based Compensation Plans
Stock-based compensation expense (in dollars)	3.0	2.3	$ 7.2	6.0
PRSUs and/or RSUs grants \| shares			0.5
Number of equal annual installments \| installment			3
PRSUs and/or RSUs grant date fair value \| $ / shares			$ 29.27
Service options
Stock and Stock-Based Compensation Plans
Stock-based compensation expense (in dollars)	0.0	0.1	$ 0.0	0.0
Market Options
Stock and Stock-Based Compensation Plans
Stock-based compensation expense (in dollars)	$ 0.0	$ 0.1	$ 0.0	$ (2.3)
PRSUs - Adjusted EBITDA
Stock and Stock-Based Compensation Plans
PRSUs vesting period			3 years
PRSUs and/or RSUs grant date fair value \| $ / shares			$ 29.26
PRSUs - TSR PRSUs
Stock and Stock-Based Compensation Plans
PRSUs vesting period			3 years
PRSUs and/or RSUs grant date fair value \| $ / shares			$ 40.54