Business Combinations, Separately Recognized Transactions Table (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Restructuring and Related Activities [Abstract]
Restructuring Charges			$ 23.5	$ 37.7
Integration expenses			12.5	29.1
Restructuring and acquisition-related costs	$ 11.7	$ 11.7	$ 36.0	$ 66.8

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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