Deferred Compensation Arrangement With Individual, Shares Purchased Through Payroll Deductions, Period

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- Definition

The number of stock-based compensation plans.

+ References

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- Definition

Percentage of share of non-vested stock considered as call-option.

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement By Share-based Payment Award, Compensation Cost In Excess Of Fair Value

+ References

No definition available.

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- Definition

Amount of commitment made to pay deferred cash remuneration.

+ References

No definition available.

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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- Definition

Amount of distribution made to individual in accordance with deferred compensation arrangement.

+ References

No definition available.

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- Definition

The total fair value of shares issued during the period under a deferred compensation arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
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- Definition

The maximum number of shares authorized for issuance under the deferred compensation arrangement as of the balance sheet date.

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-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 2
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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB
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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).

+ References

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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

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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- 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.

+ References

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- Definition

Percentage of vesting of share-based compensation awards.

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- Definition

Amount of capitalized and expensed compensation cost from equity-based compensation arrangements.

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Employee Benefit Plans - Narrative (Details) $ / shares in Units, $ in Millions	1 Months Ended		12 Months Ended
	Jan. 31, 2019 USD ($) $ / shares shares	Feb. 29, 2016 shares	Dec. 31, 2018 USD ($) long-term_incentive_stock-based_plan $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock plans \| long-term_incentive_stock-based_plan			1
Granted (in shares) \| shares			614,286	829,143	1,298,121
Granted (in dollars per share) \| $ / shares			$ 7.46	$ 8.39	$ 5.70
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Long-term incentive cash awards granted	$ 4.4
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance (in shares) \| shares			1,500,000
Shares available for issuance (in shares) \| shares			500,000
Period common stock may be purchased through payroll deductions			4 months
Percentage of share of non-vested stock considered as call option			85.00%
Purchase limit per employee (in shares) \| shares		130
2005 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance (in shares) \| shares			10,300,000
Shares available for issuance (in shares) \| shares			1,700,000
Vesting period			3 years
Award vesting percentage			33.00%
2005 Incentive Plan \| Maximum Shares as Incentive Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance (in shares) \| shares			2,000,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation			$ 6.0	$ 7.9	$ 5.8
Future share-based compensation			$ 5.0
Weighted average vesting period			1 year
Restricted Stock \| January 2019 Restricted Stock Grant \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares	688,540
Granted (in dollars per share) \| $ / shares	$ 5.41
Total market value of shares granted	$ 3.7
Performance Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			3 years
Award vesting percentage			100.00%
Granted (in shares) \| shares			449,271	671,771	1,161,672
Granted (in dollars per share) \| $ / shares			$ 10.44	$ 12.64	$ 7.13
Share-based compensation			$ 4.7	$ 7.4	$ 6.8
Recorded liability			11.1	11.1
Cash paid to settle share-based award liability			$ 0.9	0.6	$ 0.2
Performance Share Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			200.00%
Performance Share Units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage			0.00%
Performance Share Units \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash paid to settle share-based award liability	$ 11.1
Performance Share Units \| January 2019 PSU Grant \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares	688,540
Granted (in dollars per share) \| $ / shares	$ 7.6
Modified Liability PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense in excess of fair value recorded in equity				$ 0.2
Fixed Value Cash Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			3 years
Long-term incentive cash awards granted			$ 5.2
Compensation expense			$ 1.7