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Acquisitions - Schedule of Acquisition Related Expenses (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Business Acquisition [Line Items] |  |  |  |
Business Combination, Acquisition Related Costs, Legal Fees | $ 4.0 | $ 1.0 |  | $ 9.6
Business Combination, Acquisition Related Costs, Employee Expense | 1.1 | 8.2 |  | 5.1
Business Combination, Acquisition Related Costs, Technology and Contract Termination | 6.6 | 9.1 |  | 10.2
Business Combination, Acquisition Related Costs, Other Expenses | 0.7 | 2.0 |  | 2.3
Total acquisition related expenses | $ 12.4 | $ 20.3 | $ 12.4 | $ 27.2

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- Definition Business Combination, Acquisition Related Costs, Legal Fees + References No definition available. + Details
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- Definition Business Combination, Acquisition Related Costs, Other Expenses + References No definition available. + Details
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- Definition Business Combination, Acquisition Related Costs, Technology and Contract Termination + References No definition available. + 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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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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