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- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

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

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- Definition

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
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- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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- Definition

Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt.

+ References

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- Definition

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).

+ References

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-Topic 718
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- Definition

Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Supplemental equity and other information - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Feb. 01, 2022
Stockholders Equity Note
2027 Notes (in shares)	97,057,000	0	0	0
Share-based compensation cost	$ 3.5	$ 5.0	$ 6.3	$ 8.8
Unrecognized compensation cost related to non-vested share-based compensation	$ 10.2		$ 10.2
Weighted average period (in years)			1 year 2 months 12 days
Preferred stock authorized (in shares)	300,000		300,000		300,000
Preferred stock, par value (in dollars per share)	$ 0.01		$ 0.01		$ 0.01
Preferred stock, issued (in shares)	0		0		0
Stock Repurchase Program
Stockholders Equity Note
Shares authorized for repurchase, value						$ 100.0
Repurchase of common stock (in shares)			0
Remaining authorized shares for share repurchase program	$ 96.9		$ 96.9
Restricted Stock Awards
Stockholders Equity Note
Granted (in shares)	300,000		300,000
Cash Performance Units And Long-Term Cash Awards
Stockholders Equity Note
Unrecognized compensation expense	$ 7.5		$ 7.5
2027 Notes \| Convertible Debt
Stockholders Equity Note
Aggregate shares receivable upon conversion (in shares)			287,200,000
2027 Notes (in shares)			190,100,000