Amount of commitment made to pay deferred cash remuneration.

No definition available.

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- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

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

+ References

No definition available.

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Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

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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 equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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-Publisher FASB
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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.

+ References

No definition available.

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- Definition

The highest quantity of shares an employee can purchase under the plan per period.

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-Publisher FASB
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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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- Definition

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

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- Definition

Amount of cost expensed and capitalized for award under share-based payment arrangement.

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Employee Benefit Plans - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Jan. 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
401(k) Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employer matching contribution (as a percent)				50.00%
Employer matching contribution percent of employees' salary (up to)				5.00%
2005 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance (in shares)		7,000,000.0		7,000,000.0
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation		$ 1.0	$ 2.4	$ 2.1	$ 3.7
Performance Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation		0.9	1.4	$ 2.0	2.7
Share-based payment awards vested (in shares)	589,335
Award vesting percentage	200.00%
Vesting period				3 years
Performance Share Units \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment awards vested (in shares)	1,178,670
Fair value of awards vested	$ 11.4
Fixed Value Cash Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Long-term incentive cash awards granted		4.7		$ 4.7		$ 4.6
Vesting period				3 years
Compensation expense		$ 1.1	$ 0.8	$ 2.3	$ 1.6
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance (in shares)		1,800,000		1,800,000
Purchase limit per employee (in shares)				260