Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

No definition available.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, 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 (i)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
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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://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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-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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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

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)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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- Definition

Gross value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

+ References

No definition available.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Subsequent Events - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions			6 Months Ended
	Aug. 01, 2019	Jul. 15, 2019	Jun. 30, 2019
Performance-Based Restricted Stock Units
Subsequent Event [Line Items]
Share-based compensation, number of stock unit grants in period			108,834
Weighted average amortization period			2 years 3 days
Performance-Based Restricted Stock Units \| Minimum
Subsequent Event [Line Items]
Common stock price per share			$ 54.83
Performance-Based Restricted Stock Units \| Maximum
Subsequent Event [Line Items]
Common stock price per share			$ 85.63
Subsequent Event
Subsequent Event [Line Items]
Stock-based compensation expense		$ 19.8
Weighted average amortization period		2 years 10 months 24 days
Subsequent Event \| RSUs \| Mr, Meredith
Subsequent Event [Line Items]
Share-based compensation, number of stock unit grants in period		100,000
Subsequent Event \| RSUs \| Minimum \| Mr, Meredith
Subsequent Event [Line Items]
Stock options vesting period		1 year
Subsequent Event \| RSUs \| Maximum \| Mr, Meredith
Subsequent Event [Line Items]
Stock options vesting period		3 years
Subsequent Event \| Performance-Based Restricted Stock Units \| Mr, Meredith
Subsequent Event [Line Items]
Share-based compensation, number of stock unit grants in period		100,000
Subsequent Event \| Performance-Based Restricted Stock Units \| Minimum \| Mr, Meredith
Subsequent Event [Line Items]
Stock options vesting period		1 year
Subsequent Event \| Performance-Based Restricted Stock Units \| Maximum \| Mr, Meredith
Subsequent Event [Line Items]
Stock options vesting period		3 years
Subsequent Event \| NC4 Inc., NC4 Public Sector LLC, and Celerium Group
Subsequent Event [Line Items]
Date of acquisition of business	Aug. 01, 2019
Subsequent Event \| NC4 Inc. and NC4 Public Sector LLC
Subsequent Event [Line Items]
Total consideration	$ 83.0
Cash paid	$ 51.7
Number of newly issued common stock	320,998
Common stock price per share	$ 100.37