The amount consideration paid to former shareholders of acquiring company

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The amount consideration paid to former Newly Issued of acquiring company.

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- Definition

This element represents lease termination costs incurred to effect a business combination which costs have been expensed during the period.

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The amount of impairment of facilities charges recognized during the period.

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Period of time after which put and call options can be exercised.

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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.

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No definition available.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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Amount of noncash expense for share-based payment arrangement.

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ACQUISITIONS (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
ACQUISITIONS (Details) - USD ($) $ in Millions	Jan. 31, 2016	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Acquisitions
Purchase price paid in cash	$ 18.9
Payments to former stockholders	14.9
Payments to newly issued shareholders	$ 4.0
Ownership interest percentage	60.00%
Acquisition-related costs		$ 16.7	$ 5.9	$ 39.8	$ 23.3
Goodwill Impairment Charge				10.5
Compensation and benefits		49.7	51.8	150.0	168.1
Stock-based compensation expense				17.0	29.4
Professional fees		17.5	16.6	52.9	51.9
Lease termination costs		0.3
Vest Financial Group Inc.
Acquisitions
Noncontrolling interest percentage	40.00%
Term of put and call options	5 years
Bats Global Markets, Inc.
Acquisitions
General and administrative expenses				2.0
Bats Global Markets, Inc.
Acquisitions
Acquisition-related costs		16.7	5.9	39.8	23.3
Goodwill Impairment Charge				10.5
Impairment of Facilities Charges				6.1
Compensation and benefits		12.7	4.8	16.1	17.6
Stock-based compensation expense					2.7
General and administrative expenses		2.0			0.6
Professional fees		$ 1.7	$ 0.9	3.7	$ 2.2
Lease termination costs				$ 1.4