Acquisitions and Divestitures - Acquisition and divestiture activites (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Acquisitions:
Purchase price	$ 39.2	$ 334.1	$ 63.0
Net cash paid	32.9	333.2	47.5
Goodwill recorded	$ 12.6	$ 120.9	$ 25.0

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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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.

+ References

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

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