Share-based Compensation Arrangement By Share-based Payment Award, Award Vesting Rights, Share Conversion Ratio

No definition available.

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- Definition

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

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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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.

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- Definition

Number, after shares used to satisfy grantee's tax withholding obligation for award under share-based payment arrangement, of restricted shares issued. Excludes cash used to satisfy grantee's tax withholding obligation.

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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

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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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

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

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- Definition

Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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Stock Compensation Plans (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended
	Apr. 30, 2023	Apr. 27, 2023	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized (in shares)			150,000,000		150,000,000
Total stock compensation expense			$ 14.0	$ 7.0
Performance Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value of performance awards granted (in dollars per share)			$ 144.24	$ 124.12
Shares awarded (in shares)			279,724
Share-based compensation cost not yet recognized			$ 65.0
Share-based compensation cost not yet recognized, period for recognition			2 years
Restricted Stock Unit Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value of performance awards granted (in dollars per share)			$ 135.53	$ 117.08
Shares awarded (in shares)			100,835
Share-based compensation cost not yet recognized			$ 23.4
Share-based compensation cost not yet recognized, period for recognition			1 year 6 months
Shares received for every restricted stock unit award given			1
Requisite service period			3 years
Restricted Stock Unit Awards \| Certain Executives \| 2020 Grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Restricted Stock Unit Awards \| Vesting Year One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			33.33%
Restricted Stock Unit Awards \| Vesting Year Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			33.33%
Restricted Stock Unit Awards \| Vesting Year Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			33.33%
Stock-Settled Appreciation Rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation cost not yet recognized			$ 0.2
Share-based compensation cost not yet recognized, period for recognition			1 year
Outstanding awards (in shares)			102,009
Restricted Stock \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares awarded (in shares)		12,069
Shares awarded after shares with held for taxes (in shares)		10,524
Total stock compensation expense	$ 1.5
2006 Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized (in shares)			10,000,000
Shares available for grant (in shares)			3,586,952