Goodwill and Other Intangible Assets Finite and Indefinite Lived Assets (Details) - USD ($) $ in Millions |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Finite-lived intangibles, gross carrying amount | $ 1,598.5 | $ 1,035.9 |
| Finite-lived intangibles, accumulated amortization | (757.1) | (678.2) |
| Intangible assets, gross (excluding goodwill) | 2,033.1 | 1,425.5 |
| Trademarks and Trade Names [Member] | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Indefinite-lived intangibles, gross carrying amount | 434.6 | 389.6 |
| Patents And Technology-Based Intangible Assets [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Finite-lived intangibles, gross carrying amount | 376.6 | 301.0 |
| Finite-lived intangibles, accumulated amortization | (255.0) | (240.1) |
| Customer Relationships And Other Intangibles [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Finite-lived intangibles, gross carrying amount | 1,221.9 | 734.9 |
| Finite-lived intangibles, accumulated amortization | $ (502.1) | $ (438.1) |