Number Of Stock-based Compensation Plans

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Exercises And Vested In Period Total Intrinsic Value

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- Definition

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

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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.

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

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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- 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).

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- Definition

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).

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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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No definition available.

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- Definition

Gross number of share options (or share units) granted during the period.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Number of share options (or share units) exercised during the current period.

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Stock-Based Compensation (Narrative) (Details) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) item	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) item $ / shares shares	Sep. 30, 2021 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock-based compensation plans \| item	3		3
Unrecognized compensation cost related to unvested awards under share-based plans \| $	$ 10.3		$ 10.3
Cost expected to be recognized over a weighted average period			1 year 3 months 18 days
Share-based Payment Arrangement, Expense \| $	$ 2.1	$ 2.1	$ 5.6	$ 6.5
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			260,693	313,697
Granted (in dollars per share) \| $ / shares			$ 28.61	$ 18.81
Restricted Stock Units (RSUs) [Member] \| Share-based Payment Arrangement, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			3 years	3 years
Granted (in shares)			219,311	261,073
Restricted Stock Units (RSUs) [Member] \| Share-based Payment Arrangement, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			1 year	1 year
Granted (in shares)			41,382	52,624
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			100,000	100,000
Options Granted (in dollars per share) \| $ / shares			$ 14.01	$ 8.51
Vesting period			4 years	4 years
Stock option exercised (in shares)			35,318	657,500
Options exercised and vested in period, total intrinsic value \| $			$ 14.7	$ 25.3
Restricted Stock Units And Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards, vested in period, fair value \| $			$ 6.0	$ 7.6