Share Based Compensation Arrangement By Share Based Payment Award Options Will Vest Performance Targets Met

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Will Vest Performance Targets Not Met

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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
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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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- 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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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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

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

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Stock-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 14.4	$ 18.3	$ 15.3
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	200,000	400,000	600,000
Grant date fair value	$ 53.21	$ 30.44	$ 23.85
Restricted Stock Units [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting period	1 year
Restricted Stock Units [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting period	3 years
Performance Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	200,000	300,000	300,000
Grant date fair value	$ 58.28	$ 26.38	$ 22.01
Awards vesting period	3 years
Shares will vest if defined maximum performance targets are met	800,000
Shares will vest if defined maximum performance targets are not met	0
Performance Share Units [Member] \| Tranche One [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance target range	0.00%
Performance Share Units [Member] \| Tranche One [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance target range	250.00%
Performance Share Units, Vested In 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested	300,000
Non-Employee Directors [Member] \| Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	7,000.0
Grant date fair value	$ 78.30