Amount of working capital assumed at the acquisition date.

No definition available.

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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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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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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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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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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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ACQUISITIONS (Details) - USD ($) $ in Millions		3 Months Ended
ACQUISITIONS (Details) - USD ($) $ in Millions	Feb. 03, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Acquisitions
Compensation and benefits		$ 53.3	$ 48.1
Acquisition-related costs		0.8	2.3
Professional fees		14.9	16.2
Goodwill		60.4
Contingent consideration liabilities		17.5		$ 2.2
Bats Global Markets, Inc.
Acquisitions
Compensation and benefits		0.1	1.3
Acquisition-related costs		0.8	2.3
Professional fees		$ 0.7	$ 1.0
Hanweck and FT Options
Acquisitions
Goodwill	$ 60.4
Intangibles	20.3
Working capital	0.4
Contingent consideration liabilities	$ 17.5