Property, Plant, and Equipment (Details) - USD ($) $ in Millions |
Jun. 30, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant, and equipment, at cost | $ 6,120.0 | $ 6,010.3 |
| Less accumulated depreciation | (3,247.5) | (3,114.6) |
| Property, plant, and equipment, net | 2,872.5 | 2,895.7 |
| Land and Land Improvements | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant, and equipment, at cost | 156.3 | 149.7 |
| Buildings | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant, and equipment, at cost | 725.7 | 717.1 |
| Machinery and Equipment | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant, and equipment, at cost | 5,017.9 | 4,951.4 |
| Construction in Progress | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant, and equipment, at cost | 152.6 | 125.4 |
| Other | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant, and equipment, at cost | $ 67.5 | $ 66.7 |