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Business Combinations, Separately Recognized Transactions Table (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Restructuring and Related Activities [Abstract] |  |  |  |
Integration expenses |  |  | $ 4.9 | $ 7.2
Restructuring and acquisition-related costs | $ 11.3 | $ 12.2 | $ 28.9 | $ 24.3

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- Definition Costs incurred for restructuring initiatives as well as expenses directly related to acquisition activity. + References No definition available. + Details
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X
- Definition Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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