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Restructuring Reserve Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 24 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Mar. 31, 2018
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring Charges |  |  | $ 37.7 | $ 15.2 |  |
Restructuring and acquisition-related costs | $ 11.7 | $ 22.8 | 66.8 | 90.5 |  |
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 |  |  | 2.3 | 1.7 |  |
Other Restructuring [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring Charges |  |  | 8.8 | 13.5 |  |
Facility Closing [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring Charges |  |  | $ 26.6 | $ 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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