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Restructuring Reserve Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		21 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Mar. 31, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ 31.4	$ 8.5
Restructuring and acquisition-related costs	$ 36.8	$ 51.7	55.1	67.7
Restructuring and Related Cost, Total Expected Cost to be Incurred Current Year	$ 45.0		45.0		$ 45.0
2016 Restructuring Plan - Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges					2.8
2016 Restructuring Plan - Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges					$ 29.6
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			2.0	1.5
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			5.5	7.0
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ 23.9	$ 0.0
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining						$ 10.0
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining						$ 20.0

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Restructuring and Related Cost, Total Expected Cost to be Incurred in Current Year

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Costs incurred for restructuring initiatives as well as expenses directly related to acquisition activity.

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Amount of expected cost remaining for the specified restructuring cost.

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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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