Share-based Compensation Arrangement by Share-based Payment Award, Award Issuance Range

No definition available.

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- Definition

Represents the compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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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.

+ Details

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Employee Incentive Plans - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Internally Developed Software
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense, capitalized amount	$ 2.7	$ 2.7	$ 4.9	$ 5.2
PBRSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PBRSU performance period	1 year
Minimum \| PBRSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance share target range (percent)	0.00%
Maximum \| PBRSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance share target range (percent)	200.00%
One-half of Grant Vesting in One Year Following Completion of Performance Period [Member] \| PBRSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PBRSU vesting period	1 year
One-half of Grant Vesting in Two Years Following Completion of Performance Period [Member] \| PBRSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PBRSU vesting period	2 years