Acquisition - Consideration Paid (Details) - FTT Inc - USD ($) $ in Millions	Feb. 28, 2019	Feb. 27, 2019
Business Acquisition [Line Items]
Cash paid	$ 17.7	$ 20.7
Deferred purchase consideration		15.3
Common stock issued		27.0
Consideration transferred, gross		63.0
Less: Cash acquired		(3.0)
Total consideration		$ 60.0

Business Combination, Consideration Transferred, Gross

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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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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.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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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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