Excess Tax Expense - Share Based Compensation

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- Definition

RTSR Modifier

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Grant Date Fair Value

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No definition available.

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

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- Definition

Amount of cost for defined contribution plan.

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-Publisher FASB
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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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

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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 tax benefit for recognition of expense of award under share-based payment arrangement.

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- Definition

Amount of tax benefit from exercise of option under share-based payment arrangement.

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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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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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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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Share-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended			24 Months Ended	36 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2024	Dec. 31, 2023	Dec. 31, 2022	May 19, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available for awards, shares	8,704,201					8,704,201
Common stock reserved for future awards, shares							10,000,000
Stock-based employee compensation expense	$ 19.0	$ 16.7	$ 13.5
Related tax benefits	3.6	4.0	3.3
Unrecognized compensation cost related to nonvested awards	$ 27.0					$ 27.0
Weighted-average remaining requisite service period, years	1 year 9 months 18 days
RTSR Modifier	25.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	3.00%
401(k) match, profit sharing and non-elective expense	$ 39.1	39.1	$ 37.8
Excess Tax Expense - Share Based Compensation		$ 0.4
Share-Based Payment Arrangement, Exercise of Option, Tax Benefit	$ 0.4
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	477,292
Shares nonvested	798,515	572,154				798,515
Shares vesting period, (years)						3 years
Granted, Weighted Average Grant Date Fair Value	$ 26.29
Restricted Stock Units (RSUs) \| Share-based Payment Arrangement, Nonemployee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares nonvested	63,215					63,215
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	228,604					228,604
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	566,086	973,885	528,729
Shares nonvested	1,505,740	1,798,151				1,505,740
Granted, Weighted Average Grant Date Fair Value	$ 31.65
Performance Shares \| NOEPS
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of shares granted	$ 7.4	$ 6.5	$ 11.7
Performance Shares \| CVI
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of shares granted			$ 2.6
2019 Award \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted			235,100
Shares nonvested	135,404					135,404
Share-based Compensation Arrangement by Share-based Payment Award, Grant Date Fair Value			$ 6.1
2020 award \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted		285,755
Shares nonvested	218,465					218,465
Share-based Compensation Arrangement by Share-based Payment Award, Grant Date Fair Value		$ 5.7
2020 award \| Performance Shares \| NOEPS
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares nonvested	294,424					294,424
2020 award \| Performance Shares \| CVI
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares nonvested	67,943					67,943
2021 award \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	477,292
Shares nonvested	444,646					444,646
Share-based Compensation Arrangement by Share-based Payment Award, Grant Date Fair Value	$ 12.5
2021 award \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted		582,944
2021 award \| Performance Shares \| NOEPS
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares nonvested	192,119					192,119
2021 Special award \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted		390,941
Subsequent Event \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vesting period, (years)				3 years	3 years
Subsequent Event \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vesting period, (years)					3 years