Aggregate intrinsic value price per share.

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- Definition

Common Stock Surrendered to Cover Stock Options Exercised, Shares

+ References

No definition available.

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- Definition

Common Stock Surrendered to Cover Stock Options Exercised, Value

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award options outstanding weighted average exercise price fair value.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award options unvested in period intrinsic value.

+ References

No definition available.

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- Definition

Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 25
-Paragraph 19A
-URI http://asc.fasb.org/extlink&oid=107668666&loc=SL79513924-113897

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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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 number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

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

+ References

No definition available.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ References

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- Definition

Number of options outstanding, including both vested and non-vested options.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

+ References

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

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Stockholders' Equity - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	12 Months Ended			48 Months Ended
	May 24, 2018	May 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2011	Dec. 29, 2018	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Income and payroll tax payments for net-settled stock awards			$ (14,127)	$ (3,453)	$ (1,772)
Weighted average fair value (in dollars per share)			$ 38,640
New option granted (in shares)			0	0	0
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value, option outstanding			$ 3,600
Aggregate intrinsic value, options exercisable			3,600
Total intrinsic value of options exercised			$ 28,500	$ 3,200	$ 2,000
Shares withheld, for net share settlement of share based award (in shares)			100,000
Common Stock Surrendered to Cover Stock Options Exercised, Shares			29,854
Income and payroll tax payments for net-settled stock awards			$ (6,200)
Common Stock Surrendered to Cover Stock Options Exercised, Value			$ 1,600
Number of Options outstanding, end of year (in shares)			6,458,000	804,000	1,008,000
Weighted average exercise price (in dollars per share)			$ 28.24	$ 4.99	$ 5.40			$ 5.37
New option granted (in shares)			6,366,000.000	0	0
Number of Options exercisable, end of year (in shares)			92,000	775,000	977,000
Non-Vested Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Options outstanding, end of year (in shares)			6,365,856
Weighted average exercise price (in dollars per share)			$ 28.58
Weighted average fair value (in dollars per share)			$ 38.64
Weighted average remaining contractual life			9 years 274 days
Aggregate intrinsic value of unvested options			$ 96,600
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
New option granted (in shares)	6,365,856					1,000,000
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock price on the last trading day of the period (in dollars per share)							$ 43.75
Shares withheld, for net share settlement of share based award (in shares)			185,970
Income and payroll tax payments for net-settled stock awards			$ (7,800)
Public Stock Offering
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued in transaction		4,645,000	300,000.0